Document Type and Number:
Japanese Patent JPS4948315
Kind Code:
A
Application Number:
JP8816972A
Publication Date:
May 10, 1974
Filing Date:
September 02, 1972
Export Citation:
International Classes:
G11B7/00; G11B7/004; G11B13/00; G11B21/02
Domestic Patent References:
| JP43023901A | ||||
| JP39023864A |