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Tube connections and fittings. Connecting threads. Series
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Double-ended handles for plain plug-gauges with inset inserts from 1 mm nominal diameter. Design and dimensions
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Thermal-treated steel tape for musical instrument reeds. Specifications
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Optics and photonics. Semiconductor lasers for the determination of low concentrations of substances. Methods for measuring characteristics
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Reciprocal orthoses. General technical requirements. Classification
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