Unified system for design documentation. Graphic identification in schemes. Electrical ignition devices

Standard published on 1.1.1971

Unified system for design documentation. Graphic identifications in schemes. Electroterminal elecktric heaters, installation and devices

Standard published on 1.1.1971

Unified system for design documentation. Graphic identifications in schemes. Quantum generators and amplifiers

Standard published on 1.1.1971

Unified system for design documentation. Graphic identifications in schemes. Dimensions of graphical symbols

Standard published on 1.1.1971

Unified system for design documentation. Graphic identifications schemes. Elements and means of railway signalling, centralization and blocking

Standard published on 1.1.1985

Unified system for design documentation. Graphic identifications in schemes. Telemechanic devices

Standard published on 1.1.1972

Unified system for design documentation. Graphic designations in electric diagrams. Commutational devices and contact connections

Standard published on 1.1.1988

Unified system for design documentation. Graphic designations in diagrams. The receiving part of electromechanical devices

Standard published on 1.1.1978

Unified system for design documentation. Graphic designations in diagrams. Commutational field elements of commutational systems

Standard published on 1.7.1981

Unified system for design documentation. Graphical designations in diagrams. Signal technics

Standard published on 1.1.1982