<ruby id="gkdzl"><samp id="gkdzl"><mark id="gkdzl"></mark></samp></ruby>
<bdo id="gkdzl"></bdo>
    1. <sub id="gkdzl"></sub>
        欧美人妻精品,在线精品视频一区二区三四 ,天天做天天爱天天综合网2021,国产精品久久一区二区三区,中文字幕在线高清,伊人99,亚洲精品国产成人AV在线,国产精品成人三级
        Hotline:400-880-1556

        English




        [Change Notice] Notice on the change of the

        Author:中認聯科 time:2020-06-24 Ctr:2217

        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
        • [Holiday Notice] 2026 ZRLK Labor Day holiday schedule

        • Full Guide to TELEC Certification for Smart Sweeping Robots Entering the Japanese Market

        • Car Power Supply Export to Europe: Necessity, Process and Importance of CE Certification

        • ISED Certification for Smart Vacuum Cleaners: How to Easily Enter the North American Market?

        Follow Us
        主站蜘蛛池模板: 国产亚洲A?V| 日韩人妻精品中文字幕专区| 青青草国产自产一区二区| 国产在线精品一区二区在线观看 | 国产成人欧美综合在线影院| 国产乱妇乱子视频在播放| 18久久久| 亚洲日本色| 国产美女裸身网站免费观看视频 | 久久婷婷成人综合色综合| 丁香五月亚洲综合在线| 丰满的熟妇岳中文字幕| 国产精品毛片久久久久久久 | 亚洲性一交一乱一伦视频| 日韩精品一区二区三区无码专区| 一本大道香蕉大vr在线吗视频| 欧州人妻天天躁Av| 99久久精品国产亚洲精品| 亚洲精品漫画一二三区| 免费国产裸体美女视频全黄| 亚洲第一区精品日韩在线播放| 亚洲精品日本中文字幕| 一区二区三区无码免费看| 大尺度国产一区二区视频| 精品成人18| 国产精品欧美一区二区三区不卡 | 中文无码伦AV中文字幕在线| 日本又色又爽又黄的a片吻戏| 一区二区三区久久精品国产| 亚洲日韩久热中文字幕| 国产无码在线观看av| 岳阳市| 欧美日韩免费一区二区三区视频播放 | 超碰在线成人| 中文字幕日产无码| 亚洲国产欧洲综合久久| 国产精品18久久久久久不卡中国| 国语自产拍精品香蕉在线播放| 丝袜无码一区二区三区| 99国产精成人午夜视频一区二区| 人妻精品久久久久中文字幕86 |