ONORM EN 169:2003现行
Personal Eye-protection - Filters For Welding And Related Techniques - Transmittance Requirements And Recommended Use
出版：Osterreichisches Normungsinstitut
专家解读视频
Gives the scale numbers and transmittance requirements for filters intended to protect operators performing work involving welding, braze-welding, air-arc gouging and plasma jet cutting. It also includes requirements for welding filters with dual scale numbers.
UNI EN 169:2003 - Identical
UNE EN 169:2003 - Identical
SS EN 169 Ed. 2 (2003) - Identical
NS EN 169 Ed. 2 (2003) - Identical
UNI EN 169:1993 - Identical
NF EN 169:2003 - Identical
I.S. EN 169:2002 - Identical
NBN EN 169:2003 - Identical
BS EN 169:2002 - Identical
DIN EN 169 (2003-02) - Identical
SN EN 169:2003 - Identical
NEN EN 169:2002 - Identical
