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 18953-1973 SSI electric power supply sources. General specifications
GOST 2.601-1995 Unified system for design documentation. Exploitative documents
GOST 8.130-1974 State system for ensuring the uniformity of measurements. General purpose visual pyrometers with disappearing filament. Verification methods and means
GOST 8335-1996 history
1996GOST 8335-1996 Visual disappearing filament pyrometers. General specifications
1981GOST 8335-1981 Visual disappearing filament micro-pyrometers. General specifications