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Benzene hydrocarbons and allied products. Method of determination of thiophene content in benzene
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Peat and products of its processing for agriculture. Method for determination of hydrolytic acidity
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Underground mines. Explosion prevention and protection systems. Equipment and protective systems for firedamp drainage
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Oil - based drilling fluids. Field testing of fluids characteristics
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Bitumens and bituminous binders. Determination of binders and oil distillate by distillation method
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