ISO 640-2:1993被替代
Metallic Materials - Calibration Of Standardized Blocks To Be Used For Vickers Hardness Testing Machines - Less Than Hv 0,2
出版：International Organization for Standardization
专家解读视频
1993 [01/09/1993]
DIN EN ISO 6507-3 (2006-03) - Identical
SN EN ISO 6507-3:2006 - Identical
DIN EN ISO 6507-3 : 2016 - Identical
SN EN ISO 6507-3 : 2006 - Identical
DIN EN ISO 6507-3 E : 2006 - Identical
DIN EN ISO 6507-3 : 2016 - Corresponds
