日本黄色三级视频-日本黄色片一级-日本黄色片www-日本黄色免费在线视频-草草影院浮力-草草影视在线观看

Scan code consultation:
0755-2102 2109
Technology
Technology
Current location: Home Technology Ex tech
Are the execution standards for explosion-proof certification and explosion-proof 3C certification the same?

SINO Testing Services

| 2022-07-12|Return

Since October 1, 2019, when some explosion-proof electrical equipment was included in the national mandatory product certification catalog, people have been confused about the relationship between the original production license, explosion-proof qualification certificate, and explosion-proof 3C certification. belowZhongnuo TestingGive a brief interpretation.
The production license has been cancelled and no longer exists.
Explosion proof certificate is a certification certificate for equipment installed and used in places with explosive gases and dust.
Explosion proof 3C certification is aimed at explosion-proof electrical equipment included in the national mandatory product certification catalog. The scope of equipment here is much smaller than that of explosion-proof certification products. For example, modular equipment, lighting fixtures, non electrical equipment, etc. are not includedExplosion proof 3C certificationcatalogue The product catalog for explosion-proof 3C certification can refer to other articles by the editor.
So, sinceExplosion proof certificateIs the execution standard for product certification the same as that for explosion-proof 3C certification, as their product scope is different?
In terms of explosion-proof electrical equipment, it is completely the same. Non electrical equipment and combination equipment are not included in the explosion-proof 3C certification catalog, therefore, these two standards are also not part of the explosion-proof 3C certification standards.
Explosion proof certificate certification standard:
GB/T 3836.1-2021 Explosive Atmosphere Part 1: General Requirements for Equipment
GB/T 3836.2-2021 Explosive Atmosphere Part 2: Equipment Protected by Flameproof Enclosures "d"
GB/T 3836.3-2021 Explosive Atmosphere Part 3: Equipment Protected by Increased Safety Type "e"
GB/T 3836.4-2021 Explosive Atmosphere Part 4: Equipment Protected by Intrinsic Safety Type "i"
GB/T 3836.5-2021 Explosive Atmosphere Part 5: Equipment Protected by Positive Pressure Housing "p"
GB/T 3836.6-2017 Explosive Atmosphere Part 6: Equipment Protected by Liquid Immersion Type "O"
GB/T 3836.7-2017 Explosive atmospheres - Part 7: Equipment protected by sand filled molds "q"
GB/T 3836.8-2021 Explosive Atmosphere Part 8: Equipment Protected by "n" Type
GB/T 3836.9-2021 Explosive Atmosphere Part 9: Equipment Protected by Sealed Type "m"
GB/T 3836.31-2021 Explosive Atmosphere Part 31: Equipment Protected by Dust Ignition Resistant Enclosures "t"
GB/T 3836.29-2021 Explosive Atmosphere Part 29: Non electrical Equipment for Explosive Atmosphere - Structural Safety Type "c", Controlled Ignition Source Type "b", Liquid Immersion Type "k"
GB/T 3836.34-2021 Explosive Atmosphere Part 34: Complete Equipment

Explosion proof 3C certification standard:
GB/T 3836.1-2021 Explosive Atmosphere Part 1: General Requirements for Equipment
GB/T 3836.2-2021 Explosive Atmosphere Part 2: Equipment Protected by Flameproof Enclosures "d"
GB/T 3836.3-2021 Explosive Atmosphere Part 3: Equipment Protected by Increased Safety Type "e"
GB/T 3836.4-2021 Explosive Atmosphere Part 4: Equipment Protected by Intrinsic Safety Type "i"
GB/T 3836.5-2021 Explosive Atmosphere Part 5: Equipment Protected by Positive Pressure Housing "p"
GB/T 3836.6-2017 Explosive Atmosphere Part 6: Equipment Protected by Liquid Immersion Type "O"
GB/T 3836.7-2017 Explosive atmospheres - Part 7: Equipment protected by sand filled molds "q"
GB/T 3836.8-2021 Explosive Atmosphere Part 8: Equipment Protected by "n" Type
GB/T 3836.9-2021 Explosive Atmosphere Part 9: Equipment Protected by Sealed Type "m"
GB/T 3836.31-2021 Explosive Atmosphere Part 31: Equipment Protected by Dust Ignition Resistant Enclosures "t"


Plagiarism and reposting by any platform or individual are strictly prohibited!



Related Recommendations
Contact us
0755-2102 2109
Add: 13F, Building C, Kangjia Guangming Technology Center, No. 288 Xingxin Road, Guangming District, Shenzhen
Follow us
Copyright: Shenzhen Zhongnuo Testing Technology Co., Ltd. 粵ICP備18004888號
Service Hotline
18924609560
點(diǎn)擊這里給我發(fā)消息 1354407946
點(diǎn)擊這里給我發(fā)消息 1354407946
日本久久久久久久久久加勒比| 主人地下室惩罚骚奴的法律后果| 美日韩一区二区三区| 国产白嫩漂亮美女在线观看| 亚洲性啪啪无码AV天堂| 少妇饥渴偷公乱A级无码| 久久久久人妻一区精品性色AV| 国产 国语对白 露脸| 岳把腿扒开让我添| 无码人妻ΑⅤ免费一区二区三区 | 精品欧美黑人久久久久| 被部长灌醉后强行侵犯| 亚洲蜜桃无码视頻精品网| 日韩欧美亚洲每日更新在线 | 吃奶呻吟打开双腿做受是免费视频 | 狠狠躁夜夜躁人人爽超碰97香蕉| MM131极品尤物美女| 亚洲精品无码久久| 色欲av蜜臀一区二区四区| 老师含紧一点H边做边走视频动漫| 国产精品高潮呻吟爱久久AV无码| 97精品国产97久久久久久免费| 亚洲AV无码久久| 日本无人区码一码二码三码区别| 久久久久久久精品无码AV少妇| 国产成人亚洲精品另类动态| 400部精品国偷自产在线| 亚洲AV无码一区二区三区少妇| 日本成熟…@视频| 久久亚洲精品中文字幕波多野结衣| 国产精久久一区二区三区| 91老熟女老女人国产老太毛多| 亚洲AV永久无码精品三区在线4| 日本高清色视频WWW·174| 久久精品久久久久观看99水蜜桃| 国产精品VA在线播放我和闺蜜| 99无人区码一码二码三码...| 亚洲国产午夜无码精品小说| 少妇高潮太爽了在线播放| 男女做高潮120秒试看| 黄 色 视 频 在 线 免费观| 大肉大捧一进一出的视频| 中文字幕AV无码不卡免费 | 亚洲精品无码一区二区AⅤ污美国 亚洲精品无码一区二区AⅤ污 | 成人女人A级毛片免费软件| 一本一本大道香蕉久在线精品| 无码人妻一区二区三区免费手机 | 国产CHINESE男男GAY| 4HC88四虎WWW在线影院| 亚洲第一AV无码专区| 少妇下蹲露大唇无遮挡| 欧美丰满少妇熟乱XXXXX视频| 精品久久久久久中文字幕202| 国产777涩在线 | 美洲| 97超级碰碰碰久久久久| 亚洲欧美日韩国产综合V| 天堂无码人妻精品一区二区三区| 欧美叉叉叉BBB网站| 久久99国产精一区二区三区| 国产精品国语对白露脸在线播放| WWW久久久天天COM| 亚洲综合天堂AV网站在线观看| 午夜成人理论无码电影在线播放| 日本COSME大赏美白| 麻豆国产成人AV| 好爽…又高潮了免费毛片| 公交车后车座疯狂的做的细节| AV一区二区三区人妻少妇| 亚洲中文字幕精品一区二区三区 | ASIAN艳丽的少妇PICS| 亚洲人成网站18禁止| 无码午夜人妻一区二区不卡视频| 人与畜禽CORPORATION| 老师办公室狂肉校花H| 极品粉嫩小泬白浆20P| 国产传媒精品1区2区3区 | 欧美熟老妇人B多毛OOXⅩ| 久久久久亚洲AV综合仓井空| 果冻传媒免费观看4399| 国产V综合V亚洲欧美久久| X姓女RAPPER的首次亮相| 在办公室被C到呻吟的动态图| 亚洲国产成人久久一区二区三区| 无码国产精品一区二区免费式直播 | 一本大道无码人妻精品专区| 性饥渴少妇做私密SPA| 色综合久久蜜芽国产精品| 欧美视频一区二区三区| 麻豆一二三四区乱码| 久久不见久久见免费影院3| 国产亚洲欧美日韩在线一区二区三 | 布丁漫画土豪漫画入口页面| 2021亚洲无码| 亚洲一久久久久久久久| 亚洲AV永久无码精品表情包| 玩弄丰满人妻大BBWBBW| 日本伊人色综合网| 欧美巨大乳BBWVIDEOS| 麻豆一二三四区乱码| 久久久精品中文字幕乱码18| 狠狠色丁香婷婷综合潮喷| 国产美女高潮视频| 国产成人AV区一区二区三| 成人国产一区二区三区精品| 99久热RE在线精品视频| 在线欧美精品一区二区三区| 亚洲人成人网站色www小说| 亚洲A∨精品无码一区二区| 我的初苞被强开了| 少妇极品熟妇人妻| 日韩A片无码ⅩXXXX| 欧洲一卡2卡3卡4卡乱码视频| 免费男同GAY片AV网站| 巨波霸乳在线永久免费视频| 久久99精品久久久久久HB| 狠狠躁日日躁夜夜躁2020 | 又硬又大又长又粗又深| 亚洲熟妇AⅤ无码一区二区| 亚洲AV无码一区二区三区18 | 97性无码区免费| 中文乱码在线中文字幕中文乱码| 野花日本大全免费观看3中文版 | 我的妺妺H伦浴室无码视频| 撒尿特写XXXⅩ| 日本丰满护士爆乳XXXX无遮挡| 欧美性猛交XXXX乱大交3| 免费A级毛片无码A∨蜜芽试看| 久久久无码精品亚洲日韩按摩| 精品亚洲国产成人AV在线小说| 黑人欧美一区二区三区4p| 国产又色又爽又刺激在线观看| 国产美女高潮视频| 国产精品免费_区二区三区观看| 国产AV露脸一线国语对白| 丁香婷婷激情综合俺也去| 成人免费毛片内射美女-百度 | 多毛BGMBGMBGM胖在线| 被多男摁住灌浓精| 啊灬啊灬啊灬快灬高潮了| ⅩXXⅩ内射意大利老妇| 2020久久国产综合精品SWA| 中文字幕乱码一区二区三区免费 | 久久久AV波多野一区二区| 精品国产一区二区三区吸毒| 含苞待放1ⅤLH花莹莹| 国产综合无码一区二区色蜜蜜| 国产猛男GAY1069视频| 国产精品无码DVD在线观看| 国产精品岛国久久久久| 国产极品视觉盛宴专区| 国产成人午夜精品一区二区三区| 国产JIZZJIZZ麻豆全部免| 公玩弄年轻人妻HD| 国产Ⅴ亚洲V天堂A无码| 国产成人a在线看片色欲AV | 亚洲人成色A777777在线观| 亚洲欧美在线一区中文字幕| 亚洲精品中文字幕乱码| 亚洲日本中文字幕乱码在线| 亚洲日韩中文字幕无码一区| 亚洲日韩一区二区蜜桃AV| 亚洲熟女丰满多毛XXXXX| 艳妇乳肉豪妇荡乳ⅩXXOO小说| 野花日本大全免费观看3中文版| 一本大道色卡1卡2卡3| 一面亲上边一面膜下边的免费| 淫淫网站日本网站黑人大吊| 岳两片蚌肉缓缓张开 | A级毛片免费观看在线| AV无码天堂一区二区三区| JΑPΑN丰满人妻HDXXXX| もんむす くえすと资源网 | 真实国产乱子伦精品一区二区三区 | 欧美18ⅩXOO极品| 欧美熟老妇人B多毛OOXⅩ| 人妻熟妇乱又伦精品HD | 宝宝自己坐下来还是我撞进来视频| 被两个黑人玩得站不起来了| 成人欧美一区二区三区| 俄罗斯人与ZOOM人的区别| 国产成人精品视频ⅤA秋霞影院| 国产精品久久久久无码AV| 国产人成高清在线视频99最全资| 国产一区二区三区在线电影| 好大好爽舔我高潮了| 精品人妻无码区二区三区| 久久久久无码精品亚洲日韩| 美女扒开腿让男人桶爽直播| 女人被弄到高潮的免费视频| 全棵女性艺术写真素材| 日日摸日日碰夜夜爽无码| 婷婷丁香五月深爱憿情网| 小说 亚洲 无码 精品| 亚洲精品AⅤ无码精品丝袜足| 亚洲自偷自偷在线成人网站传媒| 中文无码AV电影在线观看网站| AE射频电源成色| 成人免费区一区二区三区| 国产AV无码专区亚洲AV手机麻| 国产免费破外女真实出血视频|