GB/T 2910.7-2025 Chinese PDF (GB /T2910.7-2025)GB T 2910. 7 2025_Chinese: Textiles Quantitative chemical analysis Part 7: Mixtures of polyamide with certain other fibers (method using formic acid) (Chinese: 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 2910. 7 2025
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