Document Type and Number:
Japanese Patent JPS63167397
Kind Code:
U
Application Number:
JP19809086U
Publication Date:
October 31, 1988
Filing Date:
December 23, 1986
Export Citation:
International Classes:
H02P7/29; (IPC1-7): H02P7/29
Domestic Patent References:
| JPS5240720A | 1977-03-29 |