Document Type and Number:
Japanese Patent JPS5749763
Kind Code:
U
Application Number:
JP12664380U
Publication Date:
March 20, 1982
Filing Date:
September 08, 1980
Export Citation:
International Classes:
G11B23/087; G11B15/66; G11B15/675; G11B23/08; (IPC1-7): G11B15/66; G11B23/08
Domestic Patent References:
| JPS4313497Y1 | 1968-06-08 |