Title:
【考案の名称】手探りパズル板
Document Type and Number:
Japanese Patent JPS58108895
Kind Code:
U
Inventors:
Seiji Otani
Application Number:
JP394882U
Publication Date:
July 25, 1983
Filing Date:
January 14, 1982
Export Citation:
International Classes:
A63F9/10; A63F9/00; (IPC1-7): A63F9/10