Demonstrator and back shroud thereof

The utility model discloses a demonstrator and back shroud thereof, including the apron main part, wherein, should lap and have the arm that is used for supporting the arm in the main part and hold in the palm and be used for supporting the hand and the hand rest that can be held by the palm is prov...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG XIN, ZHU MAOJUAN, ZENG QI, XUE BINGMEI, DUAN YAO, GU PENG, WANG LINBING, LI CHENJIE, HAN BING, PENG YUE, LI JIANBIN, YAN WANJUN
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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