Russian standards PDF
General methods of test for pigments and extenders. Methods for determination of residue on sieve
Document status: Active
Automobiles with diesel engines. Smoke emission. Norms and methods of measurements. Safety requirements
Document status: Withdrawn
Oxygen systems converters of aircrafts and helicopters. Terms and definitions
Document status: Active
Ranging and hyperbolic radio navigation fixing systems. Terms and definitions
Document status: Active