Document Type and Number:
Japanese Patent JPS51149278
Kind Code:
U
Application Number:
JP3688775U
Publication Date:
November 30, 1976
Filing Date:
March 19, 1975
Export Citation:
International Classes:
G09B19/22; A63F3/00; A63F3/02; (IPC1-7): A63F3/00
Domestic Patent References:
| JPS4939547B1 | 1974-10-26 | |||
| JP49149051B |