NEN EN 50078:1994被替代
Torches And Guns For Arc Welding
出版：Nederlands Normalisatie Instituut
专家解读视频
Specifies safety and construction requirements for torches and guns for MIG/MAG, MOG, TIG and plasma welding. Coverage includes definitions, environmental conditions, classification, protection against electric shock, thermal rating, impact resistance and marking. Also gives tables, diagrams and annexes.
SS EN 50078 Ed. 1 (1994) - Identical
I.S. EN 50078:1995 - Identical
NF EN 50078:1994 - Identical
UNE EN 50078:1996 - Identical
DIN EN 50078 (1994-11) - Identical
BS EN 50078:1994 - Identical
