Russian standards

Niobium pentoxide. Chemical-atomic-emission method for determination of impurity metals

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Wood chemical products. Rules of acceptance, sampling

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Greases. Method of test for effective viscosity on a rotary viscosimeter

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Kansk-Achincky basin coals for power supply purposes. Specification

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Reagents. Potassium bromate. Specifications

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Tool joints for drill pipes. Specifications

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