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GB/T 31211.1-2024 Chinese PDF (GB/T31211.1-2024) GB/T 8223.1-2025 English versions: GB/T 3074
GB/T 31211.1-2024 Chinese PDF (GB/T31211.1-2024) GB/T 8223.1-2025 English versions: GB/T 3074
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Description
English versions: GB/T 3074
English versions: GB/T 13963-2025
English versions: GB/T 45301-2025
English versions: GB/T 17948
GB/T 31211.1-2024 Chinese PDF (GB/T31211.1-2024) GB/T 8223.1-2025 English versions: GB/T 3074GB T 31211. 1 2024_Chinese: Non destructive testing Ultrasonic guided wave testing Part 1: General principle (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31211. 1 2024
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