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DE10043013A1
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Elevator drive with braking device
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Method for operating a ventilation device and ventilation device
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Method for operating an electric motor drive for an elevator and elevator operated thereafter
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Elevator drive with electric drive motor
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Lift drive arrangement with horizontal shaft type electric drive motor
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Fan driven by electric motor with external rotor - has fan blades individually fastened to hum of motor rotor
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Motor fan impeller with conical air flow
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Roof ventilator
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Ventilating appliance for ventilating and venting rooms
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Installation for at least partially covering the energy requirement (heat) of rooms
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Coupling for fan roller
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