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Petroleum and natural gas industries. Drilling and production equipment. Hoisting equipment. General technical requirements

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Essential oils, aromatics and their intermediates. Method for determination of angle of optical rotation and specific rotation value of polarization flat

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Combustible natural gases. Method for determination of total and organic sulphur content

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Glass industrial electrodes for determination hydrogen ions activation SSI. Specifications

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Barite concentrate. Method for determination of water soluble salts and water soluble calcium

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Essential oils of bergamot, lemon, citron and lime, fully and partially reduced in bergapten. Determination of bergapten content by high-pressure liquid chromatography (HPLC)

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