GB 27995.1-2011

Semi-finished spectacle lens blanks - Part 1: Specifications for single-vision and multifocal lens blanks

STANDARD published on 30.12.2011

English, Chinese -
electronic design (pdf) (358.80 USD)

The information about the standard:

Designation standards: GB 27995.1-2011
Note: WITHDRAWN
Publication date standards: 30.12.2011
Country: Chinese technical standard
Category: Technical standards GB