
Hardmetals. Vickers hardness test
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
NF EN 23878:1993 - Identical
NBN EN 23878:1993 - Identical
UNI EN 23878:2003 - Identical
ONORM EN 23878:1994 - Identical
SN EN 23878:1993 - Identical
SS EN 23878 Ed. 1 (1993) - Identical
ISO 3878:1983 - Identical
UNE EN 23878:2001 - Identical
I.S. EN 23878:1994 - Identical