Fall-proof pen

The utility model discloses a pen which can prevent the pen from breaking, which belongs to the stationery field. The broken-preventing pen comprises a pen cap and a pen body; solid metal lining with big density is embedded into the tail part of the pen body; wherein, raised threads are all arranged...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LIU HANGYUE
Format: Patent
Sprache:chi ; eng
Schlagworte:
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