Purpose-made drawing pencil

The utility model provides a stationary and office supply manufacturing technology, especially a purpose-made drawing pencil. The purpose-made drawing pencil is composed of a pencil core and a pencil holder. The pencil core is rectangular, and the center hole of the pencil holder is also rectangular...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: CHUANJUN SHI
Format: Patent
Sprache:eng
Schlagworte:
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