Title:
【考案の名称】数字学習帳
Document Type and Number:
Japanese Patent JP3013781
Kind Code:
U
Inventors:
Osamu Ishibashi
Application Number:
JP55095U
Publication Date:
July 18, 1995
Filing Date:
January 20, 1995
Export Citation:
Assignee:
Japan Standard Co., Ltd.
International Classes:
(IPC1-7): B42D15/00; G09B11/04; G09B19/02
Attorney, Agent or Firm:
Youichi Nomoto