IS 5706 : 1993 Optical instruments - Spirit levels for use in precision engineering - Specification
UDC 531.717.81 : 528.541.1 | PGD 22 |
|
Reaffirmed 2022 |
1 Scope
This standard specifies the features and requirements of spiritlevels used in precision engineering.
References
IS 1632 : 1992 Optical instruments - Bubbles - Specification