
Earth-moving machinery - Horizontal directional drills - Terminology and specifications
出版:International Organization for Standardization

专家解读视频
NBR ISO 21467:2006 - Identical
NEN ISO 21467:2004 - Identical
UNE 115247:2006 - Identical
KS B ISO 21467:2011 - Identical
GB/T 25603-2010 - Identical