Russian standards PDF
Observation telescopes. Test methods of characteristics
Document status: Active
Photography. Camera lenses. Determination of ISO colour contribution index (ISO/CCI)
Document status: Active
Bus serial fibre-optic interface for system of electronic modules. General requirements
Document status: Active
Casting aluminium utensils. General specifications
Document status: Replaced by GOST R 51162-2019
Telephone cables with polyethylene insulation and plastic sheath. Specifications
Document status: Cancelled