Multivariate peeping endless demonstrator

The invention discloses a multivariate peeping endless demonstrator, and belongs to the technical field of optical experiment demonstration instruments. The front end of a box body is provided with arectangular peeping port, the top end is fixed to a cover plate through a hinge, the inside of the bo...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	AI RUIBO, LIU XIAOHUA, BAI SHAOTAI, SUN WEIMIN, LUO WANG
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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