
Metallic materials - Rockwell hardness test Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T)
出版:International Organization for Standardization

专家解读视频
NBR NM-ISO 6508-1:2008 - Identical
NEN EN ISO 6508-1:2006 - Identical
SS EN ISO 6508-1 Ed. 2 (2006) - Identical
PN EN ISO 6508-1:2007 - Identical
NS EN ISO 6508-1 Ed. 2 (2005) - Identical
NBN EN ISO 6508-1:2006 - Identical
NF EN ISO 6508-1:2006 - Identical
ONORM EN ISO 6508-1:2006 - Identical
DIN EN ISO 6508-1 (2006-03) - Identical
BS EN ISO 6508-1:2005 - Identical
JIS Z 2245:2005 - Identical
UNE EN ISO 6508-1:2007 - Identical
GB/T 230.1-2009 - Modified
I.S. EN ISO 6508-1:2006 - Identical
UNI EN ISO 6508-1:2006 - Identical
SN EN ISO 6508-1:2006 - Identical