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Luminaires. Part 2-17. Particular requirements. Luminaries for indoor and outdoor lighting of stages, television film and photographic studios
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Ellipsoidaldished heads flanged made of steel for vessels, apparatuses and boilers. Basis dimensions
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Nickel, nickel and copper-nickel alloys. Methods for the determination of magnesium
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Kinescopes for displaying signographic and halftone information. Parameters system
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