AFNOR FD A81-012 2014.09.17 Welding consumables - Shielding gas mixtures for fusion welding and allied processes - Operators manual for welding procedures AFNOR FD T90-465-1 20
NF J17-095(1977)Determination of slip resistance of antislip deck paint防滑甲板漆防滑性的测定 标准中文翻译NF J17-301:1975General specification for hold&