Document Type and Number:
Japanese Patent JPS4954416
Kind Code:
U
Application Number:
JP9614172U
Publication Date:
May 14, 1974
Filing Date:
August 18, 1972
Export Citation:
International Classes:
G11B20/02; G11B5/027; G11B15/02; (IPC1-7): G11B5/027
Domestic Patent References:
| JPS279032Y1 | ||||
| JPS401338Y1 | ||||
| JPS3929026Y1 |