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GB/T 18910
English versions: GB/T 45169-2025
GB/T 45182-2025_Chinese: Test procedures of gasket parameters based on leakage rate for the pipe flange joints (Chinese: 基于泄漏率的管法兰用垫片参数测试方法)
English versions: GB/T 44948-2024
English versions: GB 17440-2025
GB/T 3045-2024 Chinese PDF (GB/T3045-2024) GB 21343-2023 GB/T 18910GB T 3045 2024_Chinese: Conventional abrasive Chemical analysis of silicon carbide (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3045 2024
