GB 23719-2009

Ophthalmic optics and instruments - Optical devices for enhancing low vision

STANDARD published on 6.5.2009

English, Chinese -
electronic design (pdf) (550.80 USD)

The information about the standard:

Designation standards: GB 23719-2009
Publication date standards: 6.5.2009
Country: Chinese technical standard
Category: Technical standards GB