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Industrial automation systems and integration. Product data representation and exchange. Part 1292. Application module. AP239 product definition information
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State system for ensuring the uniformity of measurements. Reference materials of composition and properties of substances and materials. Basic principles
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Low voltage systems. Cable systems. Monitoring systems for engineering structures. General requirements
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Changeable wooden inserts by length from 2506 to 2606 mm, width from 1606 to 2006 mm for pattern plates. Design and dimensions
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State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring phase shift angle and field intensities ratio distribution in apertures of antenna system with operating dimension from 0,5x0,5 to 3x3 m2 at the frequency range from 8,2 to 12 GHz
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Unified system for design documentation. Rules of duplication
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