NEN EN 131-2:2009被替代
Ladders - Part 2: Requirements, Testing, Marking
出版：Nederlands Normalisatie Instituut
专家解读视频
Defines the general design features, requirements and test methods for portable ladders.
To be read in conjunction with EN 131-1. (07/2004)
PREN 131-2:2009 - Identical
ONORM EN 131-2:1993 - Identical
UNE EN 131-2:1994 - Identical
UNI EN 131-2:1994 - Identical
NF EN 131-2:1993 - Identical
NBN EN 131-2:1993 - Identical
