Walls, ledges and ribs of rigidity of aluminium casting patterns. Dimensions
STANDARD published on 1.1.1977
Designation standards: GOST 21079-75
Publication date standards: 1.1.1977
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 4.82