Document Type and Number:
Japanese Patent JPS5273725
Kind Code:
U
Application Number:
JP16129275U
Publication Date:
June 02, 1977
Filing Date:
November 27, 1975
Export Citation:
International Classes:
G11B23/087; G11B23/08; (IPC1-7): G11B23/08
Domestic Patent References:
| JPS49102321A | 1974-09-27 |