发明名称 Perfectionnements aux tuyères d'aspiration pour appareils de nettoyage par le vide
摘要 509,462. Vacuum-cleaner nozzles. ELECTROLUX, Ltd. July 29, 1938, No. 22655. Convention date, Aug. 2, 1937. [Class 8 (i)] The nozzle of a vacuum cleaner is formed with two or more orifices into which the hollow handle 17 may be inserted. The end of the handle may be conical, and a guide member 24 may be provided for it. When the nozzle has more than one suction mouth, the different handle orifices may be connected with the different suction mouths.
申请公布号 FR840911(A) 申请公布日期 1939.05.08
申请号 FRD840911 申请日期 1938.07.21
申请人 AKTIEBOLAGET ELEKTROLUX 发明人
分类号 A47L9/06 主分类号 A47L9/06
代理机构 代理人
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