Document Type and Number:
Japanese Patent JPS5668228
Kind Code:
U
Application Number:
JP14948079U
Publication Date:
June 06, 1981
Filing Date:
October 30, 1979
Export Citation:
International Classes:
G11B5/56; G11B21/16; (IPC1-7): G11B5/56; G11B21/16
Domestic Patent References:
| JPS5643530A | 1981-04-22 |