Document Type and Number:
Japanese Patent JPS5119362
Kind Code:
Y1
Application Number:
JP8620469U
Publication Date:
May 21, 1976
Filing Date:
September 12, 1969
Export Citation:
International Classes:
G03B31/04; G11B15/22; G11B31/00; H02P3/00; H02P3/10; (IPC1-7): G11B31/00; G11B15/22; H02P3/10
Domestic Patent References:
| JPS4310099Y1 | 1968-05-02 |
Foreign References:
| GB894269A | 1962-04-18 |