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Air outlet device for ventilating apparatus
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Ventilating apparatus
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Strut connection between spaced apart members
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Air outlet device for ventilating apparatus
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Ventilating apparatus
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Air outlet device for ventilating systems
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Apparatus for measuring velocity and temperature of fluids
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Air flow control valve
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Air mixing and diffusing outlet having a concentric open ended tube for mixing room air with the incoming ventilating air stream
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Air outlet device for ventilating apparatus
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Method of and means for treating gases
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Damper
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Air outlet device
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Air outlet device
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Fan
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Air distributing device
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Fluid distributing device
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Air distributing device
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