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 2.310-1968 Unified system for design documentation. Marking of designations of coverings, heat treatment and other types of treatment on engineering drawings
GOST 2.314-1968 Unified system for design documentation. Instructions for marking and stamping articles
GOST 2171-1990 Pieces, products, semi-finished products and billets of non-ferrous metals and alloys. Grade designation