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Petroleum and natural gas industries. Drilling and production equipment. Part 4. Practices for side-pocket mandrels and related equipment. General technical requirements
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Iron ores, concentrates, agglomerates and pellets. Methods for the determination of nickel protoxide
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Peat briquettes and semibriquetts. Method for determination of mechanical strength
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Oils and lubricants. Method for determination of the saturated vapour pressure
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