Document Type and Number:
Japanese Patent JPS4974203
Kind Code:
U
Application Number:
JP11686472U
Publication Date:
June 27, 1974
Filing Date:
October 11, 1972
Export Citation:
International Classes:
G11B33/02; (IPC1-7): G11B1/00
Domestic Patent References:
| JPS4928903U | 1974-03-12 |