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Brown coals, hard coals and antracite. General technical requirements
Document status: Cancelled
Manganese ores, concentrates and agglomerates. Method for the determination of hygroscopic moisture
Document status: Replaced by GOST 22772.1-96
Reagents. Calcium nitrate tetrahydrate. Specifications
Document status: Active
Natural gas. Determination of carbon dioxide by detector tubes
Document status: Active