NS EN ISO 22721 Ed. 1 (2007)现行
Conveyor Belts - Specification For Rubber- Or Plastics-covered Conveyor Belts Of Textile Construction For Underground Mining
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines requirements for rubber- or plastics-covered conveyor belting of textile construction for underground mining on flat or troughed idlers.
ISO 22721:2007 - Identical
NEN EN ISO 22721:2007 - Identical
SS EN ISO 22721 Ed. 1 (2007) - Identical
I.S. EN ISO 22721:2007 - Identical
NF EN ISO 22721:2007 - Identical
NBN EN ISO 22721:2007 - Identical
DIN EN ISO 22721 (2006-11) - Identical
BS EN ISO 22721:2007 - Identical
SN EN ISO 22721:2007 - Identical
UNI EN ISO 22721:2008 - Identical
