Teaching device convenient for display and movement

The invention discloses a teaching device convenient for display and movement. The device comprises a base, a first fixing plate and a second fixing plate, wherein a lifting mechanism is arranged between the first fixing plate and the base; first side plates are symmetrically installed on the front...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HE XULAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES FOR WRITING OR DRAWING ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE ARTICLES FOR WRITING OR DRAWING UPON BUREAU ACCESSORIES CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PERFORMING OPERATIONS PHYSICS PLANETARIA SEALS TRANSPORTING WRITING OR DRAWING IMPLEMENTS
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