Document Type and Number:
Japanese Patent JPS4960703
Kind Code:
A
Application Number:
JP10219372A
Publication Date:
June 12, 1974
Filing Date:
October 11, 1972
Export Citation:
International Classes:
G11B31/00; G11B5/00; H04M1/64
Domestic Patent References:
| JP46035402A |
Foreign References:
| US3310629A | 1967-03-21 |