Document Type and Number:
Japanese Patent JPS5123767
Kind Code:
A
Inventors:
KOJIMA KYOFUSA
Application Number:
JP9579374A
Publication Date:
February 25, 1976
Filing Date:
August 21, 1974
Export Citation:
Assignee:
SUWA SEIKOSHA KK
International Classes:
G04B31/02; (IPC1-7): G04B31/02
Domestic Patent References:
| JPS4830445A | 1973-04-21 |