GB/T 230-1991

Metallic materials—Rockwell hardness test

STANDARD published on 31.12.1963

English, Chinese -
electronic design (pdf) (398.80 USD)

The information about the standard:

Designation standards: GB/T 230-1991
Note: WITHDRAWN
Publication date standards: 31.12.1963
Country: Chinese technical standard
Category: Technical standards GB