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Humic substances from brown coals, lignites and oxidized coals. Methods of tests
STANDARD published on 1.7.2012
Designation standards: GOST R 54221-2010
Publication date standards: 1.7.2012
SKU: NS-403101
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Russian technical standard
Category: Technical standards GOST
WITHDRAWN
1.4.1990
WITHDRAWN
1.4.1990
1.1.1983
WITHDRAWN
1.7.1977
WITHDRAWN
1.7.1977
WITHDRAWN
1.7.1977
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