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Hermetic sealing composition
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Screen filter
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Non-woven filter fabric
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Air shutter-type filter
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Air cleaning device for industrial and living rooms
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Shutter filter
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Apparatus for moistening air
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Device for using heat energy
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Attachment unit of shell-and-tube heat exchanger
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Two-coordinate vibration-testing machine
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Axial-flow fan impeller
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Method of accelerated tests of fan with electric drive
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Device for heat recovery of ventilation exhaust
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Reversing fan
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Axial turbo-machine blade
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Cermet bimetallic electric contact
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Water heating device
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Heat exchange tubular element
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