Vacuum cleaner

The invention provides an electric vacuum cleaner. By using a leak valve which restrains the deviation and vibration of negative pressure working on the power-driven blower side and operates stably, the power-driven blower can be cooled certainly when the cross section area of an air path is acutely...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NAITO, JUNJI, TAKEMOTO, RITSUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FURNITURE HUMAN NECESSITIES SPICE MILLS SUCTION CLEANERS IN GENERAL
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