NFA 51 124:1978被替代
Semi-finished Copper And Copper Alloy Products - Round Seamless Copper Tubes For General Purposes
出版：Association Francaise de Normalisation
专家解读视频
78 [01/07/1978]
UNE 37116 : 1981 - Identical
ISO 1635 : 1974 - Similar to
ISO 1336 : 1980 - Similar to
ISO 1337 : 1980 - Similar to
ISO 1336 : 1980 - Similar to
ISO 1635 : 1974 - Similar to
UNE 37116 : 1981 - Identical
UNE 37116:1981 - Identical
ISO 1336:1980 - Similar
ISO 1635:1974 - Similar
ISO 1337:1980 - Similar
