ONORM EN 12321:2009现行
Underground Mining Machinery - Specification For The Safety Requirements Of Armoured Face Conveyors
出版：Osterreichisches Normungsinstitut
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.
NBN EN 12321:2003 - Identical
NF EN 12321:2003 - Identical
I.S. EN 12321:2003 - Identical
NS EN 12321:2003 - Identical
UNE EN 12321:2003 - Identical
SS EN 12321 Ed. 1 (2003) - Identical
NEN EN 12321:2003 - Identical
DIN EN 12321 (2009-07) - Identical
SN EN 12321:2003 - Identical
UNI EN 12321:2009 - Identical
