GB/T 131-1993

Mechanical drawings—Surface roughness symbols and methods of indicating

STANDARD published on 9.11.1993

English, Chinese -
electronic design (pdf) (1248.80 USD)

The information about the standard:

Designation standards: GB/T 131-1993
Note: WITHDRAWN
Publication date standards: 9.11.1993
Country: Chinese technical standard
Category: Technical standards GB