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Motor oils. Method of testing their tendency to form deposits at high temperatures
STANDARD published on 1.7.1976
Designation standards: GOST 20991-75
Publication date standards: 1.7.1976
SKU: NS-385021
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 6.85
Amd. 3.88
1.1.1981
1.1.1972
1.1.2004
1.1.1973
1.1.1987
WITHDRAWN
1.1.1987
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Latest update: 2025-06-26 (Number of items: 2 205 981)
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