
Steel Tubes; Seamless High Performance Tubes, 60.3mm < D < 406.4mm Of Unalloyed Steels For Butt Welding Pressurized Fluid Transport Pipelines; Dimensions, Technical Conditions Of Delivery
出版:Association Francaise de Normalisation

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Steel Tubes; Seamless High Performance Tubes, 60.3mm < D < 406.4mm Of Unalloyed Steels For Butt Welding Pressurized Fluid Transport Pipelines; Dimensions, Technical Conditions Of Delivery
出版:Association Francaise de Normalisation
专家解读视频