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GB/T 27069-2025_Chinese: Guidelines for the mutual recognition evaluation of product conformity assessment results (Chinese: 产品合格评定结果相互承认评价指南)
calculations
English versions: GB/T 7408
1-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 1: Basic characteristics (Chinese: 光学和光子学 望远镜系统试验方法 第1部分：基本特性)
GB/T 45063-2024_Chinese: Footwear - Chemical tests - General principles on the preparation of samples (Chinese: 鞋类 化学试验 样品制备通则)
GB/T 23850-2024 Chinese PDF (GB/T23850-2024) GB/T 45156-2024 GB/T 27069-2025_Chinese: Guidelines for theGB T 23850 2024_Chinese: Sodium perchlorate for industrial use (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23850 2024
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