ISO 12511:1997現(xiàn)行
Earth-moving machinery - Hour meters
出版：International Organization for Standardization
專家解讀視頻
NEN ISO 12511:1998 - Identical
SS ISO 12511 Ed. 1 (1999) - Identical
UNE 115243:2004 - Identical
NBR ISO 12511:2003 - Identical
KS B ISO 17063:2005 - Identical
GB/T 21014-2007 - Identical
KS B ISO 12511:2015 - Identical
KS B ISO 12511:2005 - Identical
