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Indoor air. Part 34. Strategies for the measurement of airborne particles

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Radiation in geomagnetic field. Model of low energy protons and electrons streams

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Subdivision levels of radioelectronic equipment. Terms and definitions

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Energy efficiency. Equipment for heating. Indicators of energy efficiency and determination methods

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Lifts. Lifts for the transport of persons or persons and goods. General safety requirements for the construction and installation

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Canned dinner courses for special consumer. Specifications

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