Pen with ball pen lead used in various environmental states of gravitational force, air, liquid and the like

The invention discloses a pen with a ball pen lead used in various environmental states of gravitational force, air, liquid and the like, and relates to the field of stationary. The pen comprises a penholder, a pen point, a sealing plug, a first controlling assembly and a second controlling assembly...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	QI SHAOCHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUREAU ACCESSORIES IMPLEMENTS FOR WRITING OR DRAWING PERFORMING OPERATIONS TRANSPORTING WRITING OR DRAWING IMPLEMENTS
Online-Zugang:	Volltext bestellen
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