Russian standards PDF
Assembling units and pipeline parts. Flanged block branches for Pnom 9,81-98,1 MPa (100-1000 kgf/cm2). Construction and dimension
Document status: Active
Connecting branches of small sized board pipe fitting. Construction and dimensions
Document status: Active
Mortise and rim lever locks for wooden doors. Methods of testing
Document status: Replaced by GOST 19091-2000