Portable teaching aid

A portable teaching aid effectively solves the problems that an existing device is inconvenient to carry and poor in training effect. Comprising a front box body, the rear side of the front box body is hinged to a rear box body through a rotating shaft, a fixing plate is arranged on the front side i...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FU JIE, KONG JIULI, DUAN YI, JIAO YANJUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS
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