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Mechanical and steam mechanical injectors. Types and basic parameters. General technical requirements
Document status: Active
Source units of ionizing radiation for radioisotope instruments relay type. General specifications
Document status: Active
Power cables with extruded insulation and their accessories for rated voltages above 150 kV (Um = 170 kV) up to 500 kV (Um = 550 kV). Test methods and requirements
Document status: Active
Low-voltage switchgear and controlgear. Mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations
Document status: Active
Heating hot-water boilers with capacity up to 100 kW. General specifications
Document status: Replaced by GOST 20548-93
