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Brown coals, hard coals and anthracites. Classification according to genetic and technological parameters

Document status: Replaced by GOST 25543-2013

Technical soda ash. Specifications

Document status: Active

Black powders. Method for determination of moisture content

Document status: Active

Activated carbon for recuperation. Specifications

Document status: Active

Reagents. Magnesium chloride 6-aqueous. Specifications

Document status: Active

Methanol technical. Specifications

Document status: Replaced by GOST 2222-2025