This standard establishes the graphical symbols of light sources on manual or automated diagrams.
GOST 2.732-1968 Referenced Document
GOST 2.731-1981 Unified system for designe documentation. Graphic identifications in schemes. Electronic tubes and valves*, 1981-04-19 Update
GOST 2.732-1968 history
2011GOST 23732-2011 Water for concrete and mortars. Specifications
1979GOST 23732-1979 Water for concretes and mortars. Specifications
1968GOST 2.723-1968 Unified system for design documentation. Graphic identifications in schemes. Inductive coils, chokes, transformers, autotransformers and magnetic amplifiers