亚洲国产午夜福利精品,顶级欧美熟妇高清xxxxx,激情小说图片,亚洲男人的天堂成人www
        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:1759

        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
        • Gain a comprehensive understanding of EN 18031: Certification Requirements, Procedures and documentation Preparation

        • Analysis of the EU Network Security Standard for Radio Equipment EN 18031

        • New IATA DGR regulations in 2026: Interpretation of compliance points of state of charge (SoC) of lithium battery goods!

        • [Holiday Notice] 2025 ZRLK Mid-Autumn National Day holiday schedule

        Follow Us
        主站蜘蛛池模板: 2020亚洲欧美国产日韩| 欧美韩日精品| 一本到视频| 国产成人午夜福利高清在线观看 | 一道本在线| 亚洲欧美日韩国产综合点击进入 | 欧美xxxⅹ性欧美大片| 日韩内射激情视频在线播放免费| 国产精品久久久久av| 免费观看成人www动漫视频| 玖玖zyz| 国产永久免费高清在线| 久久久精品欧美一区二区免费| 午夜性色吃奶添下面69影院| 国产一级网站| 色男人的天堂| 亚洲三级理论| 亚洲AV成人片不卡无码| 亚洲亚洲人成综合丝袜图片| 国产手机在线| 亚洲 自拍 中文 欧美 精品 | 国产主播av在线| 天天澡日日澡狠狠欧美老妇 | 男人的天堂中文字幕| 国产日韩在线精品av| 亚洲AV无码专区电影在线观看| 国产成人av男人的天堂| 亚洲欧美国产成人综合不卡| 国产精品一卡二卡三卡四卡| 亚洲视频免费在线观看| 国产精品99久久久精品| 国产精品视频分类精品| 亚洲国产婷婷香蕉久久久久久| 日韩国产一| 亚洲毛片欧洲毛片国产一品色| 午夜福利国产在线观看1| √天堂资源在线中文8在线最新版| 你懂的在线看| www.好av| 麻豆精品久久| 亚洲国产成人精品无码区在线播放 |