GOST 14254-1996 Degrees of protection provided by enclosures (IP code)*, 1996-12-23 Update
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 15151-1969 Machines, instuments and other industrial products for tropics. General specifications