GOST 8.661-2018
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 No.

GOST 8.661-2018

Release Date

2018

Published By

RU-GOST R

Latest

GOST 8.661-2018

GOST 8.661-2018 history

• 2018 GOST 8.661-2018 State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring surface flatness parameters of optical surfaces up to 200 mm