Propelling pencil consisting of pencil cap and holder

The utility model relates to a propelling pencil composing of a pencil cap and a pencil holder, which can evenly and tinily control the rotary force, the knifing and the lead for sharpening. The utility model can collect sealed lead dust and has the advantages of cleanness and elegance. The utility...

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1. Verfasser: ZHONGQI HOU
Format: Patent
Sprache:eng
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