Resettable examination rod

The utility model discloses a resettable examination rod which comprises a lower bottom plate, a second vertical groove is machined in the lower bottom plate, an examination rod assembly is arranged in the center of the upper portion of the lower bottom plate, a reset assembly is installed on the in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DU HUINIAN, QIAO GUOWEI, SUN WEICHAO, ZHANG BINYU, XU ZHONGNAN
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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