
Prefabricated Accessories For Roofing - Permanently Fixed Roof Ladders - Product Specification And Test Methods
出版:Italian Standards

专家解读视频
Applicable to permanently fixed ladders made of metal which are permanently installed on the load-bearing construction of pitched roofs and which may be stepped or walked on for purposes of inspection, maintenance and repair of equipment installed above the roof surface.
NBN EN 12951:2005 - Identical
DIN EN 12951 (2005-02) - Identical
BS EN 12951:2004 - Identical
SN EN 12951:2004 - Identical
I.S. EN 12951:2005 - Identical
NF EN 12951:2005 - Identical
NS EN 12951 Ed. 1 (2005) - Identical
UNE EN 12951:2006 - Identical
SS EN 12951 Ed. 1 (2004) - Identical
NEN EN 12951:2004 - Identical
ONORM EN 12951:2007 - Identical