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Crude petroleum. General specifications

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Reagents. Aluminium ammonium sulphate. Specifications

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Tin concentrates. Method for the determination of bismuth mass part

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Testing of chemicals of environmental hazard. Determination of biodegradability under aerobic treatment methods

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Reagents. Ammonium fluoride. Specifications

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Motor oils M-14B23 and M-20B2. Specifications

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