Electric blackboard formed by one group of parallel rectangular strips

The utility model discloses an electric blackboard formed by one group of parallel rectangular strips. The electric blackboard is formed by a frame, a driving roller, an electric motor, a rectangular strip curtain and a supporting body, wherein the frame is fixedly arranged on a wall body, two ends...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SONG LINFENG, SONG FENGZHONG, CAO YUSHENG, ZHANG FENGHUI, LIU YANPING, GUO LAISHENG, LV JUNLING, LI YULIN, SONG BO, CHEN YUXIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES FOR WRITING OR DRAWING ARTICLES FOR WRITING OR DRAWING UPON BUREAU ACCESSORIES CABINETS COFFEE MILLS DESKS DOMESTIC ARTICLES OR APPLIANCES DRAWERS FURNITURE GENERAL DETAILS OF FURNITURE HUMAN NECESSITIES OFFICE FURNITURE PERFORMING OPERATIONS SPICE MILLS SUCTION CLEANERS IN GENERAL TABLES TRANSPORTING WRITING OR DRAWING IMPLEMENTS
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