Title:
【考案の名称】「部分加工済みセット教材」
Document Type and Number:
Japanese Patent JP3085093
Kind Code:
U
Inventors:
Mikio Yamanaka
Application Number:
JP2001005575U
Publication Date:
April 05, 2002
Filing Date:
July 19, 2001
Export Citation:
Assignee:
Mikio Yamanaka
International Classes:
(IPC1-7): G09B19/20