UNE EN 29519:1994现行
Shipbuilding And Marine Structures - Rungs For Dog-step Ladders
出版：Asociacion Espanola de Normalizacion
专家解读视频
Describes the types, dimensions, material, manufacture and designation of rungs for dog-step ladders. Dog-step ladders, formed from single rungs, may only be used where fixed vertical ladders with stringers cannot be installed and should serve only to bridge minor differences in height.
ONORM EN 29519:1993 - Identical
BS EN 29519:1994 - Identical
NBN EN 29519:1993 - Identical
I.S. EN 29519:1994 - Identical
NF EN 29519:1993 - Identical
UNI EN 29519:1995 - Identical
ISO 9519:1990 - Identical
SS EN 29 519 Ed. 1 (1993) - Identical
