Drawing showing stand

The utility model discloses a drawing showing stand, relates to the technical field of design drawings, and aims to solve the problems that the process of replacing paper on a traditional showing stand is tedious and complex, and the working efficiency of designers is influenced. The drawing showing...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: GE YONGWEI, CHEN BO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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