Compasses

The utility model provides a compasses, belongs to the teaching aid. The set pattern body and the cross section that moves the rule body are the semi -circle, move rule body top and are equipped with and observe the hole, move the internal portion of rule and are equipped with the pivot, and the con...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MA TINGBIN
Format:	Patent
Sprache:	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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