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Explosive atmospheres. Part 31. Equipment dust ignition protection by enclosure «t»
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Kolinsky and solongoi skins dressed, natural and dyed. Specifications
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The preservation of cultural heritage. Terms and definitions. Part 2. Monuments of history and culture
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Best available techniques. Natural environment. Terms and definitions
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Electrical steel. Methods of test for magnetic and electrical properties. Method for measurement of magnetic induction in permeameter
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