GB/T 7962.20-2010

Test methods of colourless optical glass - Part 20: Density

STANDARD published on 14.1.2011

English, Chinese -
electronic design (pdf) (274.80 USD)

The information about the standard:

Designation standards: GB/T 7962.20-2010
Publication date standards: 14.1.2011
Country: Chinese technical standard
Category: Technical standards GB