日韩欧洲精品无码AV,99国产午夜精品一区二区天美,精品久久免费一区二区三区四区,久久综合图区亚洲综合图区,久久久久亚洲AV免费观看,精子网久久国产精品,亚洲AⅤ无码一区二区二三区性色,亚洲精品国产电影,亚洲资源在线观看,婷婷五月丁香在线

  • 
    
  • <ul id="yy6ca"></ul>
  • <del id="yy6ca"></del>
    <ul id="yy6ca"></ul>
    <strike id="yy6ca"><menu id="yy6ca"></menu></strike>
    Hotline:400-880-1556

    English




    [Change Notice] Notice on the change of the

    Author:中認(rèn)聯(lián)科 time:2020-06-24 Ctr:1220

    Notice on the change of the "Safety Certification Rules for Transformers for Switching Mode Power Supplies" and the implementation of the new standard GB/T19212.17-2019

    Relevant certification companies:

    GB/T19212.17-2019 "Safety of transformers, reactors, power supply units and similar products with a power supply voltage of 1100V and below. Part 17: Special requirements and tests for switching power supply units and transformers for switching power supply units" in 2020 Implemented on May 1, 2014, this standard replaces GB19212.17-2013. GB/T19212.17-2019 implements GB/T19212.1-2016 "Safety of transformers, reactors, power supply units and their combinations Part 1: General requirements and tests" corresponding to the general standard. The following are all referred to as "new standards". The China Quality Certification Center revised the “Safety Certification Rules for Transformers for Switching Mode Power Supplies” according to the above-mentioned standard version changes. The newly issued certification rule number is CQC11-461214-2020, which replaces CQC11-461214-2015. Hereinafter referred to as the "new version of the rules".

    The matters related to the implementation of the certification business are now notified as follows:

    1. From the date of announcement, the switching power supply transformer shall be tested and certified in accordance with the new version of the standards and rules. 2. For products that have obtained the old version of the standard and rules certification, the certificate holder can submit a change application to our center and accept the test for the new and old standard difference test items (see the appendix for specific test items), and the test is qualified The new version of the standard and rules certification will be issued later. The certificate conversion work should be completed by April 30, 2021. Certificates that have not completed the conversion after the deadline will be suspended for 3 months. If it is not completed beyond the suspension deadline, the certificate will be revoked. 3. The follow-up inspection after certification is carried out according to the standards and rules listed in the valid certificate.

    annex:

    19212.1 New and old standard differences and supplementary tests.doc

    19212.17 Difference between new and old standards and supplementary test.doc

    Please click "https://www.cqc.com.cn/www/chinese/c/2020-05-26/556365.shtml" below to download the attachment

    China Quality Certification Center


    Related Articles
    • How do smart desk lamps pass CE certification? ZRLK is your escort

    • Sodium battery UN38.3 certification: a key link to ensure product safety and compliance

    • CCC certification points of large capacity charging box: battery, headphones can not be less

    • CCC certification of the earphone charging case: The rated capacity of the battery cell is less than 600mAh.

    Follow Us
    中文字幕一区中文亚洲| 精品国产免费人成网站| 亚洲五月婷| 欧美成人午夜免费全部完| 一个人看的www视频免费观看| 苍井空浴缸大战猛男120分钟| 亚洲大尺度AV无码专区中文| 欧美一性一乱一交一视频| 极品少妇被猛的白浆直喷白浆| 初高中成人精品视频在线播放| 激情人妻另类人妻伦| 少妇AAA级久久久无码精品片| 粗壮挺进人妻水蜜桃成熟漫画| 亚洲AV首页在线观看| 亚洲AV无码一区二区三区鸳鸯院| 亚洲精品成人网站在线播放| 亚洲av无码1区2区久久| av天堂最新网址在线观看| 少妇无码一区二区三区| 国产人久久人人人人爽| 成a人片亚洲日本久久| 亚洲欧美日本中文字不卡| 18禁美女黄网站色大片在线| 国产又黄又湿又刺激网站| 爽爽精品dvd蜜桃成熟时电影院| 老熟妇仑乱一区二区视頻| 艳妇乳肉豪妇荡乳av| 在线精品亚洲一区二区绿巨人| 中文字幕av一区中文字幕天堂| 内射人妻无码色AV麻豆| 日韩激情无码| 狠狠噜天天噜日日噜AV| 亚洲精品毛片久久久久久久| H无码精品3D动漫在线观看| 婷婷五月综合丁香在线| 狠狠色综合网站久久久久久久| 人妻斩り56歳无码| 爆乳一丝丝不挂裸体大胸美女写真| 永久免费观看美女裸体的网站| 精品熟人妻一区二区三区四区不卡| 五月婷日韩中文字幕|