Rotary expansion type spring pen container

The invention relates to the technical field of pen containers, and discloses a rotary expansion type spring pen container. The spring pen container is characterized by comprising a main container base, a main spring, an auxiliary spring and a sliding connecting piece; the main spring is arranged on...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU HAOWEN, LIU XIANHONG, XIAO ZIHAO, MENG JUNLIN, YAO JIANMIN, LIU WEITAO, SUN YUEMING, LUO XICAI, YANG ZHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUREAU ACCESSORIES BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING WRITING OR DRAWING IMPLEMENTS
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