Document Type and Number:
Japanese Patent JPS508938
Kind Code:
U
Application Number:
JP6039773U
Publication Date:
January 29, 1975
Filing Date:
May 23, 1973
Export Citation:
International Classes:
G03B31/00; G11B15/26; (IPC1-7): G03B31/00; G11B15/26
Domestic Patent References:
| JPS4733698U | 1972-12-15 |
Next Patent: JPS508939