Combined literature map hanging plate

The utility model provides a combined literature map hanging plate. The device comprises a metal outer plate, a small map block, a limiting plate, an inner plate, a sliding block, a complete map and amagnet, a magnet is mounted at the front end of the metal outer plate; a small map block is fixed at...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SONG HONGJUN, SHI QUNSHAN
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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