
BS EN ISO 17636-2. Non-destructive testing of welds. Radiographic testing. Part 2 . X- and gamma-ray techniques with digital detectors
出版:British Standards Institution

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BS EN ISO 17636-2. Non-destructive testing of welds. Radiographic testing. Part 2 . X- and gamma-ray techniques with digital detectors
出版:British Standards Institution
专家解读视频