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Gauges for taper thread connection of tubing, casing, drill and line pipes. Methods for measuring geometric parameters

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Cotton fibre. Methods for determination of defects and impurities

Document status: Withdrawn

Spring measuring heads. General specifications

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Instrument transformers. Part 3. Requirements for inductive voltage transformers

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Pigments for cosmetic tattooing. Safety requirement

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Protection of information. Protective automatically systems. Testing for stability to intentional power electromagnetic influence. General requirements

Document status: Active