Document Type and Number:
Japanese Patent JPS4811808
Kind Code:
U
Application Number:
JP5387171U
Publication Date:
February 09, 1973
Filing Date:
June 22, 1971
Export Citation:
International Classes:
G11B15/675; G11B15/02; G11B15/66; G11B15/70; (IPC1-7): G11B15/66
Domestic Patent References:
| JPS4916488A | 1974-02-13 |