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GOST 28314-89
Centrifuges for dewatering products of coal. Types, basic parameters and technical requirements
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€10
GOST 2082.0-81
Molybdenum concentrates. Methods of chemical analysis. General requirements
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€10
GOST 29238-91
Ammonium nitrate for industrial use. Determination of matter insoluble in water content. Gravimetric method
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€10