Document Type and Number:
Japanese Patent JPS5253707
Kind Code:
U
Application Number:
JP13501275U
Publication Date:
April 18, 1977
Filing Date:
October 02, 1975
Export Citation:
International Classes:
H02P29/00; G11B3/00; G11B19/28; (IPC1-7): G11B3/00; G11B19/28
Domestic Patent References:
| JP34001917A |