DIN EN 474-9 (2007-09)被替代
Earth-moving machinery - Safety Part 9: Requirements for pipelayers
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Suspended until publication of a revised English text, due to a new German edition. (04/2010)
SN EN 474-9:2007 - Identical
NEN EN 474-9:2006 - Identical
BS EN 474-9:2006+A1:2009 - Identical
ONORM EN 474-9:2007 - Identical
NF EN 474-9:2007 - Identical
NBN EN 474-9:2007 - Identical
UNI EN 474-9:2007 - Identical
I.S. EN 474-9:2006 - Identical
NS EN 474-9:2006 - Identical
SS EN 474-9 Ed. 2 (2006) - Identical
UNE EN 474-9:2007 - Identical
