Device for removing by suction drill dust when drilling holes into walls
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Suction appliance, especially for dust
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Suction device having a plurality of suction motors
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Filterless dust extractor has dust lade air drawn onto rotaing baffle plate to cause separation to take place
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Hot air drier with inlet filter ring and heating body also air displacement unit
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Electrical suction apparatus, in particular for dust
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Dust container for vacuum cleaners
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Filtering device with vibrator
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Electric power tool with suction device
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Suction device
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Suction apparatus
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Suction and blowing device
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Collection bag for a suction device
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A process for the production of windings and interference killers
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Current limiting circuit for electromotors - has light source, rotor-mounted shutter disk and phototransistor triggering RC circuit discharge to limit stator current duration
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Tubular filter
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Current limit circuit for electric motor pref. controlled by switching transistor - has at least one barrier resistance connected in series with motor winding to limit current to value compatible with transistor
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Single phase impedance electromotor with light limiting control - with stator current from semiconductor only switched on when light from LED is not blocked
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Suction or blowing apparatus
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Motor wire winding and interference suppression choke mfr. - utilising auxiliary winding device for choke added on ferrite core without breakage of main winding wire
