GB/T 42673-2023 Non-destructive testing of steel tubes Magnetic particle testing of ferromagnetic seamless and welded steel tubes for surface imperfections (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 42673-2023
GB/T 42673-2023 history
2023GB/T 42673-2023 Non-destructive testing of steel tubes Magnetic particle testing of ferromagnetic seamless and welded steel tubes for surface imperfections