Teaching board

The utility model discloses a teaching board which comprises a body and further comprises a handheld portion, a rotating shaft is arranged on the body, the rotating shaft is connected to the handheld portion in a rotating mode, a locking mechanism is arranged on the handheld portion, the locking mec...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG XUEBING, WANG JINGYU, JIAO ZHENSHUAI, SHI YAN, TIAN JING, LIU HONGFENG
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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