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 19223-1990 Electro-optical range-finders. General specifications
GOST 2.601-1995 Unified system for design documentation. Exploitative documents
GOST 21830-1976 Geodetic instruments. Terms and definitions*, 2024-04-17 Update