【考案の名称】筆記具のインキ消耗表示装置

Title:

【考案の名称】筆記具のインキ消耗表示装置

Document Type and Number:

Japanese Patent JPS5872084

Kind Code:

U

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Inventors:

Inoue Shigeyasu

Application Number:

JP16757681U

Publication Date:

May 16, 1983

Filing Date:

November 09, 1981

Export Citation:

International Classes:

B43K5/12; B43K5/00; (IPC1-7): B43K5/00

Domestic Patent References:

Previous Patent: 効率的な取引のためのユーザプロファイルおよび地理的位置

Next Patent: JPS5872085