Ceramic acid-resistant pocking rings. Specifications
STANDARD published on 1.7.1990
Designation standards: GOST 17612-89
Publication date standards: 1.7.1990
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 5.90