This standard establishes a nomenclature of the main quality indicators of amateur film projectors included in the terms of reference for research and development work
GOST 4.461-1986 Referenced Document
GOST 12.1.003-1983 Occupational safety standards system. Noise. General safety requirements
GOST 23511-1979 Man-made noise from domestic electrical appliances or electrotechnical appliances connected to the electrical mains of dwelling-houses. Limit and measuring methods