Multifunctional portable learning aid

The invention belongs to the technical field of learning aids, and discloses a multifunctional portable learning aid for solving the problems that the existing learning aid is single in function and the electronic display screen easily hurts eyes and diverts learning attention. The multifunctional p...

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Bibliographische Detailangaben
1. Verfasser:	MU SHENGJUN
Format:	Patent
Sprache:	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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