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Brown coals and lignites. Determination of yield of toluene-soluble extract and content of acetone-soluble materials (resinous substances) in it
STANDARD published on 1.1.1993
Designation standards: GOST 10969-91
Publication date standards: 1.1.1993
SKU: NS-378001
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Russian technical standard
Category: Technical standards GOST
1.1.2010
1.1.2010
1.1.2010
WITHDRAWN
1.7.2010
1.1.2011
1.7.2011
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Latest update: 2025-06-06 (Number of items: 2 203 816)
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