Motor principle demonstration teaching aid

The utility model discloses a motor principle demonstration teaching aid, including permanent magnet, base, rotary switch, battery, bracing piece, coil, recess, brush and pivot, the permanent magnet is installed in the both sides of base, and the permanent magnet can add, and the permanent magnet of...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	Hasitonglaga
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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