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4-2025_Chinese: Quality requirements for enzyme preparations - Part 4: Immobilized glucose isomerase preparations (Chinese: 酶制剂质量要求 第4部分：固定化葡萄糖异构酶制剂)
English versions: GB/T 17591-2025
English versions: GB/T 45656-2025
English versions: GB/T 36217-2025
7-2024_Chinese: Electrical safety in low voltage distribution systems up to 1000V a
GB/T 20878-2024 Chinese PDF (GB/T20878-2024) GB/T 13537-2024 4-2025_Chinese: Quality requirements for enzymeGB T 20878 2024_Chinese: Stainless steels Designation and chemical composition (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20878 2024
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