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English versions: GB/T 38048
English versions: GB/T 45655-2025
English versions: GB/T 1040
English versions: GB/T 14157-2023
GB/T 45332-2025_Chinese: Proton exchange membrane for hydrogen production via water electrolysis (Chinese: 电解水制氢用质子交换膜)
GB/T 42918.2-2023 Chinese PDF (GB/T42918.2-2023) GB/T 16702.4-2025 English versions: GB/T 38048GB T 42918. 2 2023_Chinese: Plastics Thermoplastic polyurethanes for moulding and extrusion Part 2: Preparation of test specimens and determination of properties (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42918. 2 2023
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US$ 59.95
US$ 88.12
