Drive mechanism demonstrates teaching aid

The utility model discloses a drive mechanism demonstrates teaching aid, the cam mechanism who includes the support and install on the support demonstrates the part, and link mechanism demonstration subtotal gear demonstrates the part, the partial frame that includes of cam mechanism demonstration,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG LUODAN, LU SHUNLI, LI ZHEN, CHEN YAN, ZHANG NIANBO
Format:	Patent
Sprache:	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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