Intelligent soft disc

The utility model discloses an intelligent soft disc which comprises a first soft disc, the center of the first soft disc is sequentially connected with a second soft disc and a third soft disc through a cross-shaped locking wire pair, the first soft disc, the second soft disc and the third soft dis...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ZHOU QIONGHUI
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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