GB 27995.1-2011

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

NORMA vydaná dňa 30.12.2011

The information about the standard:

Designation standards: GB 27995.1-2011
Note: NEPLATNÁ
Publication date standards: 30.12.2011
Country: Chinese technical standard
Kategória: Technické normy GB