Russian standards
Chelyabinsk Basin coals for pulverized, stratified burning and domestic needs. Specifications
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Raremetallic concentrates. Method for the determination of sum of niobium and tantalum pentoxide
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Surface active agents. Technical alkane sulfonates. Determination of alkane monosulfonates content by direct two-phase titration
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Classification and general technical requirements for reclaimed perchloroethylene
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