Document Type and Number:
Japanese Patent JPS55150641
Kind Code:
U
Application Number:
JP4920679U
Publication Date:
October 30, 1980
Filing Date:
April 13, 1979
Export Citation:
International Classes:
H02H11/00; G05F1/10; H02J1/00; (IPC1-7): H02H11/00; G05F1/10
Domestic Patent References:
| JPS5444444A | 1979-04-07 | |||
| JPS5283001A | 1977-07-11 |