GOST 15150-1969 Machines, instruments and other industrial products. Modifications for different climatic regions. Categories, operating, storage and transportation conditions as to environment climatic aspects influence
GOST 24179-1980 Glass filters, filter-lenses, lenses, dispersers and diflecting insertion for railway transport light-signal. Specifications
GOST 25706-1983 Magnifiers. Types, basic parameters. General technical requirements
GOST 27902-1988 Safety glass for automobiles, tractors and agricultural machinery. Determination of optical characteristics
GOST 27904 Safety glass for automobiles, tractors and agricultural machinery. Determination of light-fastness, temperature stability and moisture resistance
GOST 427-1975 Measuring metal rules. Basic parameters and dimensions. Specifications