NS EN 12321:2003现行
Underground Mining Machinery - Specification For The Safety Requirements Of Armoured Face Conveyors
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Describes the safety requirements for armoured face conveyors and covers, conveyor drive units, return units, line pans, chain assemblies, devices for tensioning and locking chains.
2003 Edition Re-Issued in July 2009 & incorporates AMD 1 2009. (07/2009)
UNE EN 12321:2003 - Identical
UNI EN 12321:2004 - Identical
NEN EN 12321:2003 - Identical
ONORM EN 12321:2009 - Identical
UNI EN 12321:2009 - Identical
SN EN 12321:2003 - Identical
BS EN 12321:2003+A1:2009 - Identical
DIN EN 12321 (2003-08) - Identical
NBN EN 12321:2003 - Identical
NF EN 12321:2003 - Identical
I.S. EN 12321:2003 - Identical
SS EN 12321 Ed. 1 (2003) - Identical
ONORM EN 12321:2003 - Identical
