Russian standards PDF
Chayka radionavigation system. Transmitter signals. Specifications
Document status: Active
Chrysotile cement slabs for wall facing. Specifications
Document status: Active
Fire equipment. Full face masks breathing apparatus. General technical requirements. Test methods
Document status: Replaced by GOST R 53257-2019
Fire equipment. Fire motor pumps. Main parameters. General technical requirements. Methods of testing
Document status: Replaced by GOST R 53332-2019