Blackboard eraser

The utility model relates to a blackboard eraser which comprises a shell, a sponge block, a U-shaped seat, a fixing shaft, a telescopic rod and a rotating sleeve, and the sponge block is arranged at the bottom of the shell. A U-shaped base is installed on the top of the shell, a fixing shaft is inst...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ZENG TIANLE
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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