Document Type and Number:
Japanese Patent JPS4934333
Kind Code:
Y1
Application Number:
JP6721873U
Publication Date:
September 18, 1974
Filing Date:
June 07, 1973
Export Citation:
International Classes:
G11B15/02; (IPC1-7): G11B15/02
Domestic Patent References:
| JP39005870A | ||||
| JP41011902A |
Foreign References:
| FR1468090A | 1967-02-03 |