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Coal-tar pitch. Specifications

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Petroleum and natural gas industries. Drilling and production equipment. Drilling and well-servicing structures. General technical requirements

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The Caucasus coals for pulverized burning. Specifications

Document status: Withdrawn

Essential oils. Identification

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Reagents. Ferric chloride hexahydrate. Specifications

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Biomass. Determination of acid insoluble residue by standard method

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