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Coal tar pitch. Method for determination of mass fraction of substances insoluble in toluene
Document status: Replaced by GOST 7847-2020
Ethyl alcohol for industrial use. Method for determination of carbonyl compounds
Document status: Withdrawn
Brown coals, hard coals and anthracites of the North-East regions for domestic needs. Specifications
Document status: Cancelled
Reagents. Calcium phosphate monobasic 1-aqueous. Specifications
Document status: Active