ISO 442:1965废止
Verification Of Pendulum Impact Testing Machines For Testing Steels
出版：International Organization for Standardization
专家解读视频
1965
BS DRAFT 94/302597 DC REFERS TO A NEW REVISION
BS 131-4:1972 - Equivalent
SANS 42 Ed. 1 (1965) - Identical
SS 11 03 21:1983 - Similar
SS 11 03 20:1983 - Similar
DIN 51222 (1995-06) - Similar
NFA 03 508:1985 - Similar
NS 1999:1968 - Identical
