DEVICE FOR CLEANING HARD SURFACES, IN PARTICULAR WINDOWS

PCT No. PCT/EP92/01688 Sec. 371 Date Mar. 25, 1994 Sec. 102(e) Date Mar. 25, 1994 PCT Filed Jul. 23, 1992 PCT Pub. No. WO93/02611 PCT Pub. Date Feb. 18, 1993.In order to reduce the energy consumption of the suction unit, on the one hand, and to improve the cleaning effect, on the other hand, of a wi...

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Hauptverfasser: VEIT, EBERHARD, SCHNEIDER, JOSEF, MURRAY, DONALD, W, STORY, MICHAEL CORBETT, DE FILIPPO, ANTONIO, LAMMONS, CARL STEPHEN, KAMM, ROLAND
Format: Patent
Sprache:eng ; fre ; ger
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