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Notice on the conversion of 1077 mandatory national standards into recommended national standards
2017-04-12 14:13:35
Source:深圳阿尔法商品检验有限公司 Author:Admin Visit:
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Mandatory GB (GB) to the recommended national standard (GB / T), a 2-year transition period
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IEC 60598-1:2014 & EN 60598-1:2015
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