GB/T 9451-1988

Determination of total or effective thickness of thin surface hardened layers of steel parts

STANDARD published on 24.6.1988

English, Chinese -
electronic design (pdf) (286.80 USD)

The information about the standard:

Designation standards: GB/T 9451-1988
Note: WITHDRAWN
Publication date standards: 24.6.1988
Country: Chinese technical standard
Category: Technical standards GB