Title:
【考案の名称】1目でわかる小数点すらすら
Document Type and Number:
Japanese Patent JPH073011
Kind Code:
U
Inventors:
Sigemi Shigemi
Application Number:
JP3986193U
Publication Date:
January 17, 1995
Filing Date:
May 28, 1993
Export Citation:
Assignee:
Sigemi Shigemi
International Classes:
G06C1/00; (IPC1-7): G06C1/00
Next Patent: 太細糸の製造方法