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English versions: GB/T 20186
GB/T 22322
GB/T 2684-2025_Chinese: Test methods for foundry sands and molding mixtures (Chinese: 铸造用砂及混合料试验方法)
English versions: GB 19302-2025
GB/T 13815
GB/T 20656-2023 Chinese PDF (GB/T20656-2023) GB/T 17446-2024 English versions: GB/T 20186GB 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
US$ 42.50
US$ 58.10
US$ 58.45
US$ 24.00
US$ 25.75
US$ 55.50
