Document Type and Number:
Japanese Patent JPS57122040
Kind Code:
U
More Like This:
Application Number:
JP939681U
Publication Date:
July 29, 1982
Filing Date:
January 26, 1981
Export Citation:
International Classes:
G11B15/087; G11B15/02; G11B15/60; G11B27/30; (IPC1-7): G11B15/02; G11B5/12; G11B15/60; G11B27/30
Domestic Patent References:
| JP51116710B | ||||
| JP51150116B | ||||
| JPS4312586Y1 | 1968-05-30 |