This standard applies to manganese ore concentrates and agglomerates and establishes mechanized and manual extraction methods
GOST 20784-1975 Referenced Document
GOST 16598-1980 Manganese ores, concentrates and agglomerates. Methods of sampling and preparation of samples for chemical analysis and determination of moisture content*， 1980-04-19 Update
GOST 25464-1982 Manganese ores concentrates and agglomerates. Method of the determination degree of homoheneity on the basis of chemical grain composition*， 1982-04-19 Update
GOST 25498-1982 Manganese ores concentrates and agglomerates. Methods of sampling and sample preparation for the determination of the grain composition*， 1982-04-19 Update
GOST 2715-1975 Metal wire screens. Types, basic parameters and dimensions
GOST 3306-1988 Nets with square meshes from steel corrugated wire. Specifications*， 1988-04-19 Update
GOST 20784-1975 history
1975GOST 20784-1975 Manganese ore concentrates and agglomerates. Methods of sampling and sample preparation for mechanical strength determination