Russian standards
Low voltage surge protective devices. Part 21. Surge protective devices connected to telecommunications and signalling networks. Performance requirements and testing methods
Document status: Cancelled
Semiconductor rectifiers of power higher than 5 kW. General specifications
Document status: Active
Gas-insulated metal-enclosed switchgear for nominal voltages above 110 kV. General technical specification
Document status: Replaced by GOST R 54828-2022
Mine equipment earthing. Check methods and specifications
Document status: Replaced by GOST 28298-2016