Push-pull blackboard for English teaching

The invention discloses a push-pull blackboard for English teaching, belongs to the technical field of teaching equipment, and solves the problem that the safety of teachers and students is harmed as accumulated dust in a moving process of an existing teaching board is easy to splash out. The blackb...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	NAN YUXIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES FOR WRITING OR DRAWING ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE ARTICLES FOR WRITING OR DRAWING UPON BUREAU ACCESSORIES CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PERFORMING OPERATIONS PHYSICS PLANETARIA SEALS TRANSPORTING WRITING OR DRAWING IMPLEMENTS
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