IS 1955 : 1961 Specification for Prismatic Compass, Liquid
UDC 526.915.2 | PGD 22 |
|
Reaffirmed 2021 |
1 Scope
1.1 This specification covers the requirements for prismaticcompass, liquid, of 50 mm size.
2 Reference
IS 1362 : 1959 Dimensions for Screw Threads for General Purposes