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English versions: GB/T 20717-2024
GB/T 28465-2024_Chinese: Inspection rules for garment interlining (Chinese: 服装衬布检验规则)
1 encoding rules - Part 1: Specification of Basic Encoding Rules(BER)
GB/T 28885-2025_Chinese: Directives for gas service (Chinese: 燃气服务导则)
GB/T 12250-2023_Chinese: Automatic steam traps - Marking (Chinese: 蒸汽疏水阀 标志)
GB/T 20656-2023 Chinese PDF (GB/T20656-2023) GB/T 44883-2024 English versions: GB/T 20717-2024GB T 20656 2023_Chinese: Petroleum and natural gas industries Field inspection of new casing, tubing and drill pipe (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20656 2023
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