Drawing board with paper convenient to replace

The utility model discloses a drawing board with paper convenient to replace, and relates to the field of drawing auxiliary equipment. The paper feeding device comprises an operation box provided with a working cavity, one face of the operation box serves as a drawing supporting face, a first openin...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: XING HONGLIN, LIU GAILI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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