Title:
【考案の名称】学習カード
Document Type and Number:
Japanese Patent JP3049176
Kind Code:
U
Inventors:
Jiang Chiwei
Application Number:
JP1042897U
Publication Date:
June 02, 1998
Filing Date:
November 25, 1997
Export Citation:
Assignee:
Jiang Chiwei
International Classes:
(IPC1-7): G09B19/02; G09B1/00; G09B17/00
Attorney, Agent or Firm:
Hattori Masaki