
Metallic materials. Hardness test. Verification of Rockwell hardness testing machines (scales A, B, C, D, E, F, G, H, K, N, T)
出版:British Standards Institution

专家解读视频
Describes a direct method for checking the main functions of the machi.
© British Standards Institution 2013
UNE EN 10109-2:1995 - Identical
NS EN 10109-2:1995 - Identical
I.S. EN 10109-2:1995 - Identical
SS EN 10109-2:1995 - Identical
ONORM EN 10109-2:1995 - Identical
DIN EN 10109-2 (1995-01) - Identical
NEN EN 10109-2:1995 - Identical
SN EN 10109-2:1995 - Identical
ISO 716:1986 - Similar
ISO 1079:1989 - Similar
NF EN 10109-2:1994 - Identical