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Ammonium sulphate technical. Determination of matter insoluble in water content. Gravimetric method
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Petroleum and natural gas industries. Drilling and production equipment. Inspection, maintenance, repair and remanufacture of hoisting equipment. General technical requirements
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Petroleum and petroleum products. Methods for manual sampling
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Manganese concentrate for covering electrodes. Specifications
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Gas and gas-condensate field projection and development. General requirements for author's control at a gas, gas-condensate field development project
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