首页> 外国专利> regular pen for writing system 'sphere' with internal ink and paint with special instruments and devices that allow the tracking of curves, circles or circles.or curvilinei pathways as a normal compass, by what principle the flexibility of reservoir containing ink

regular pen for writing system 'sphere' with internal ink and paint with special instruments and devices that allow the tracking of curves, circles or circles.or curvilinei pathways as a normal compass, by what principle the flexibility of reservoir containing ink

机译:普通笔,用于书写带有内部墨水和颜料的“球体”书写系统,并带有特殊的仪器和设备,可以跟踪曲线,圆或圆。

摘要

机译:

著录项

  • 公开/公告号IT1161434B

    专利类型

  • 公开/公告日1987-03-18

    原文格式PDF

  • 申请/专利权人 GIORGENTI VITTORIO;

    申请/专利号IT19780012450

  • 发明设计人

    申请日1978-02-01

  • 分类号B43K;

  • 国家 IT

  • 入库时间 2022-08-22 07:18:35

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