Folder capable of fixing sign pen

The invention discloses a folder capable of fixing a sign pen. The folder comprises a folder main body (1), and the folder main body (1) is provided with a clamp (2). The folder is characterized in that the folded part of the folder main body (1) is connected with a spring rope (4) through a rivet (...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MA CHUANBO, LIAO FENGRAN, LYU DONGXIAO, CAO YONG, QIAO ZHEN, SONG CHUNHUI, LI KEPENG, WAN ZHAOJIE, WU JIANYUN
Format: Patent
Sprache:eng
Schlagworte:
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