Threaded pipe connections. Connecting threads. Series
STANDARD published on 1.1.1977
Designation standards: GOST 21973-76
Publication date standards: 1.1.1977
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 11.82
Amd. 2.86
Amd. 8.92