GB - Chinese National Standard PDF Translated English; Product Catalog (National standard GB Series): Product catalog - Chinese National Standard: GB Series
https://www.chinesestandard.net
2018年1月 · https://www.chinesestandard.net
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This document provides the comprehensive list of Chinese National Standards - Category: GB Series.
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https://www.chinesestandard.net specializes in providing translation services of all Chinese Standards.