Rough tyres carbon steel for the rolling stock on narrow gauge railways. Profiles and sizes
STANDARD published on 1.1.1976
Designation standards: GOST 20179-74
Publication date standards: 1.1.1976
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 4.81