GB 7239-1987

Method of testing the chromium film and photoresist thickness of chrome blanks

STANDARD published on 1.1.1987

English, Chinese -
electronic design (pdf) (238.80 USD)

The information about the standard:

Designation standards: GB 7239-1987
Note: WITHDRAWN
Publication date standards: 1.1.1987
Country: Chinese technical standard
Category: Technical standards GB