Russian standards PDF
Plain single-ended double-limit snap gauges for length over 10 to 360 mm. Design and dimensions
Document status: Active
Plain double-ended snap gauges for length over 300 to 500 mm. Design and dimensions
Document status: Active
Niobium. Spectral method for the determination of tantalum
Document status: Active
Asbestos cement pipes and couplings for non-pressure pipe lines. Technical requirements
Document status: Replaced by GOST 31416-2009