Document Type and Number:
Japanese Patent JPS5273728
Kind Code:
U
Application Number:
JP16125075U
Publication Date:
June 02, 1977
Filing Date:
November 27, 1975
Export Citation:
International Classes:
G03B31/00; G11B27/24; G11B27/34; (IPC1-7): G11B27/20; G03B31/00; G11B27/34
Domestic Patent References:
| JP30000030A | ||||
| JPS5023639A | 1975-03-13 |