Title:
【考案の名称】年数早見盤
Document Type and Number:
Japanese Patent JP2542009
Kind Code:
Y2
More Like This:
Inventors:
Akira Koda
Application Number:
JP3772990U
Publication Date:
July 23, 1997
Filing Date:
April 10, 1990
Export Citation:
Assignee:
Akira Koda
International Classes:
G06C3/00; (IPC1-7): G06C3/00
Domestic Patent References:
| JP52162195U | ||||
| JP393505Y1 |
Attorney, Agent or Firm:
Kazuko Tomita (2 outside)