Document Type and Number:
Japanese Patent JPS6257991
Kind Code:
U
Application Number:
JP14800185U
Publication Date:
April 10, 1987
Filing Date:
September 30, 1985
Export Citation:
International Classes:
G11B27/34; G11B15/02; G11B15/03; (IPC1-7): G11B27/34; G11B15/02; G11B15/03
Domestic Patent References:
| JPS57183685A | 1982-11-12 |