
Semi-finished Products In Copper And Copper Alloys - Cold Formed Leaded Brass Hollow Bars - Tolerances And Dimensions
出版:Association Francaise de Normalisation

專家解讀視頻
Semi-finished Products In Copper And Copper Alloys - Cold Formed Leaded Brass Hollow Bars - Tolerances And Dimensions
出版:Association Francaise de Normalisation
專家解讀視頻