Enclosed type blackboard eraser

The utility model belongs to the technical field of the teaching equipment and specifically relates to an enclosed type blackboard eraser. This blackboard eraser is including wiping the board, the arc cover body, the closed -loop, thread tube and export, adhesive connection has thread tube in the mi...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WU QIONGYU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES FOR WRITING OR DRAWING ARTICLES FOR WRITING OR DRAWING UPON BUREAU ACCESSORIES PERFORMING OPERATIONS TRANSPORTING WRITING OR DRAWING IMPLEMENTS
Online-Zugang:	Volltext bestellen
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