专家解读视频
Defines values for safety distances for prevention of access and distances to impede free access by the lower limbs of persons of 14 years of age and over.
SN EN 811:1997 - Identical
NEN EN 811:1996 - Identical
BS EN 811:1997 - Identical
DIN EN 811 (1996-12) - Identical
ONORM EN 811:1997 - Identical
I.S. EN 811:1997 - Identical
NF EN 811:1996 - Identical
UNI EN 811:1998 - Identical
NS EN 811 Ed. 1 (1996) - Identical
SS EN 811 Ed. 1 (1996) - Identical
UNE EN 811:1997 - Identical
