Document Type and Number:
Japanese Patent JPS5184528
Kind Code:
U
Application Number:
JP29075U
Publication Date:
July 07, 1976
Filing Date:
December 27, 1974
Export Citation:
International Classes:
G03B21/54; G03B23/02; G11B23/02; G11B23/027; G11B23/40; (IPC1-7): G11B23/02; G03B23/02; G11B23/40
Domestic Patent References:
| JPS497915B1 | 1974-02-22 | |||
| JPS4913880U | 1974-02-05 |