Document Type and Number:
Japanese Patent JPS5181299
Kind Code:
A
Inventors:
HOSHI AKIRA
SATO KATSUTOSHI
SATO KATSUTOSHI
Application Number:
JP632575A
Publication Date:
July 16, 1976
Filing Date:
January 16, 1975
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G21B1/11; G21B1/00; H05B7/18; (IPC1-7): G21B1/00
Domestic Patent References:
| JPS4947792A | 1974-05-09 |