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Outlet silencer structures for turbine
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Patent number 6,802,690
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Issue date Oct 12, 2004
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M & I Heat Transfer Products, Ltd.
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Ming Hui Han
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Column fan unit
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Patent number 6,402,612
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Issue date Jun 11, 2002
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Air Handling Engineering Ltd.
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Salman Akhtar
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F24 - HEATING RANGES VENTILATING
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High efficiency air mixer
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Patent number 6,139,425
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Issue date Oct 31, 2000
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Air Handling Engineering Ltd.
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Muammer Yazici
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F24 - HEATING RANGES VENTILATING