Document Type and Number:
Japanese Patent JPS5285408
Kind Code:
U
Application Number:
JP17343275U
Publication Date:
June 25, 1977
Filing Date:
December 22, 1975
Export Citation:
International Classes:
G11B15/665; G11B15/29; G11B15/66; (IPC1-7): G11B15/29; G11B15/66
Domestic Patent References:
| JPS4821042A | ||||
| JP42025832A | ||||
| JPS4831911A | 1973-04-26 | |||
| JPS4716366A |