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Petroleum and natural gas industries. Drilling and production equipment. Part 1. Side-pocket mandrels. General technical requirements

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Ceresin composition. Specifications

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Gaseous helium. Method for determination of impurities volume fraction by emission spectral analysis

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Liquid hydrogen. Specifications

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

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Reagents. Phthalic acid. Specifications

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