
Polyethylene (pe) Pipes - Tolerances On Outside Diameters And Wall Thicknesses
出版:International Organization for Standardization

专家解读视频
1977
NFT 54 072:1981 - Equivalent
UNI 7990:2004 - Similar
NBN EN 253:2003 - Identical
UNI 7990 : 2004 - Similar to
UNI 7990 : 2004 - Similar to