State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring surface flatness parameters of optical surfaces up to 200 mm
STANDARD published on 1.9.2018
Designation standards: GOST 8.661-2018
Note: WITHDRAWN
Publication date standards: 1.9.2018
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 6.22