NS EN ISO 4545-2 Ed. 1 (2006)现行
Metallic Materials - Knoop Hardness Test - Part 2: Verification And Calibration Of Testing Machines
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Gives the method of verification of testing machines for determining Knoop hardness for metallic materials in accordance with ISO 4545-1.
ONORM EN ISO 4545-2:2006 - Identical
ISO 4545-2:2005 - Identical
UNE EN ISO 4545-2:2006 - Identical
EN ISO 4545-2:2018 - Identical
BS EN ISO 4545-2:2017 - Identical
NF EN ISO 4545-2:2018 - Identical
NEN EN ISO 4545-2:2018 - Identical
SN EN ISO 4545-2:2006 - Identical
BS EN ISO 4545-2:2005 - Identical
DIN EN ISO 4545-2 (2006-03) - Identical
NBN EN ISO 4545-2:2006 - Identical
NF EN ISO 4545-2:2006 - Identical
I.S. EN ISO 4545-2:2006 - Identical
UNI EN ISO 4545-2:2006 - Identical
SS EN ISO 4545-2 Ed. 1 (2005) - Identical
NEN EN ISO 4545-2:2005 - Identical
