Russian standards
GOST 22536.7-88
Carbon steel and unalloyed cast iron. Methods for determination of chromium
Document status: Active
€10
GOST 22813-83
Assembling units and pipeline parts. Reducing flanges for Pn 9,81-98,1 MPa (100-1000 kgf/cm2). Construction and dimensions
Document status: Active
€10
GOST 23479-79
Non-destructive testing. Optic methods. General requirements
Document status: Active
€10