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Mixes of fly-ash and slag of thermal plants for conctetes. Specifications
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System of standards for information, librarianship and publishing. The Dublin Core metadata element set. Basic (core) elements
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Degrees of protection provided by enclosures (IP Code)
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State system for ensuring the uniformity of measurements. Nanometer range relief measures with trapezoidal profile of elements. Methods for calibration
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Air transport. Maintenance and repair system of aviation equipment. Terms and definitions
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Low-voltage switchgear and controlgear. Part 6-2. Multiple function devices. Control and protective switching devices (or equipment)
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