
Respiratory protective devices for self-rescue. Self-contained closed-circuit breathing apparatus. Compressed oxygen escape apparatus. Requirements, testing, marking
出版:British Standards Institution

专家解读视频
93
© British Standards Institution 2013
UNI EN 400:1994 - Identical
I.S. EN 400:1993 - Identical
DIN EN 400 (1993-06) - Identical
UNE EN 400:1994 - Identical
SS EN 400 Ed. 1 (1993) - Identical
NF EN 400:1993 - Identical
NS EN 400:1993 - Identical
NEN EN 400:1993 - Identical
ONORM EN 400:1993 - Identical