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Thread relief. Run-outs, undercuts, grooves and chamfers of thread

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Raw cotton. Method of determining impurities

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Refractories. Terms and definitions

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Electrostatics. Protection of electronic devices from electrostatic phenomena. Compliance verification

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Tantalum and its oxides. Spectral method for determination of tungsten, calcium, cobalt, copper, molybdenum and natrium

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Hexagon socket head screws

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