
Steel Tubes - Longitudinally Welded Plain End Tubes Inferior Or Equal To 168.3 Mm In Unalloyed Steels With Special Delivery Conditions - Dimensions - Technical Delivery Conditions
出版:Association Francaise de Normalisation

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Steel Tubes - Longitudinally Welded Plain End Tubes Inferior Or Equal To 168.3 Mm In Unalloyed Steels With Special Delivery Conditions - Dimensions - Technical Delivery Conditions
出版:Association Francaise de Normalisation
专家解读视频