Russian standards PDF
Electric power supply systems of aircrafts and helicopters. General requirements and norms of quality of electric energy
Document status: Withdrawn
Short-circuits in electrical installations. Calculation methods in a. c. electrical installations with voltage below 1 kV
Document status: Active
Universal and specialized adjusting devices. General specifications
Document status: Active
Axles for wheelsets of railway rolling stock. General specifications
Document status: Active
Fan V-belts and pulleys for engines of cars, tractors and combines. Specifications
Document status: Replaced by GOST 5813-2015