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English versions: GB/T 21638-2025
YY/T 0866-2024_Chinese: Total inward leakage(TIL) determination method of protective face mask for medical use (Chinese: 医用防护口罩总泄漏率测试方法)
GB/T 45628-2025_Chinese: Artificial intelligence - Knowledge graph - Knowledge exchange protocol (Chinese: 人工智能 知识图谱 知识交换协议)
GB/T 44980-2024_Chinese: Frozen shrimp paste (Chinese: 冻虾滑)
English versions: GB/T 1634
GB/T 6730.24-2025 Chinese PDF (GB /T6730.24-2025) GB/T 20965-2025 English versions: GB/T 21638-2025GB T 6730. 24 2025_Chinese: Iron ores Determination of total rare earth contents Arsenazo spectrophotometric method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 6730. 24 2025
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