Industrial gas-using equipment. Air heaters. General technical requirements
Document status: Cancelled
Antennas of microwave telecommunication lines. Classification and main technical requirements
Document status: Active
Channels and paths. Regional RRL. Main parameters and measuring methods
Document status: Active
Protection doors. General requirements and methods of test for resistance to burglary and bullet
Document status: Replaced by GOST R 51072-2005
Services. Hairdressing services. General specifications
Document status: Replaced by GOST R 51142-2019
