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Coal. Determination of caking power. Gray-King method

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Reagents. Formic acid. Specifications

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Raremetallic concentrates. Method for the determination of calcium oxide

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Raremetallic concentrates. Method for the determination of sum of rare earths

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Petroleum and natural gas industries. Downhole equipment. Packers and bridge plugs. General technical requirements

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Air cooling apparatus. General specifications

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