Russian standards
State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Verification of measurement procedure
Document status: Active
Filament electric lamps for light measuring. Specifications
Document status: Active
Moving-coil oscillograph galvanometers. General specifications
Document status: Active
Flanges for valves and fittings, connecting parts and pipelines for PN from 0,1 to 20 MPa (from 1 to 200kgf/cm2). Types. Connecting dimensions and dimensions of sealing surfaces
Document status: Replaced by GOST 33259-2015