
Hardmetals - Rockwell hardness test (scale A) Part 1: Test method
出版:International Organization for Standardization

專家解讀視頻
NFA 95 421:1983 - Identical
BS 5600-4.5:1979 - Similar
BS EN ISO 3738-1:2010 - Identical
BIS IS 5652-1:1993 (R2004) - Identical
SS 11 73 01:1985 - Identical
DIN ISO 3738-1 (1991-07) - Identical