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Investigations of the raw material in hard-coal-mining; macropetrographic classification and topographic survey of hard-coal and host rock.
STANDARD published on 1.1.1994
Designation standards: DIN 22012:1994-01
Publication date standards: 1.1.1994
SKU: NS-190944
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: German technical standard
Category: Technical standards DIN
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