"Circumferential " CNS Standards List |
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CNS 13001
2017 Edition Method of Radiographic Testing for Circumferential Butt Welds of Aluminum Pipes and Tubes 鋁管圓周對頭熔接縫之放射線透射試驗法 |
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CNS 13001
1992 Edition Method of Radiographic Testing for Circumferential Butt Welds of Aluminum Pipes and Tubes 鋁管圓周對頭熔接縫之放射線透射試驗法 |
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