Document Type and Number:
Japanese Patent JPS536650
Kind Code:
U
More Like This:
Application Number:
JP8847176U
Publication Date:
January 20, 1978
Filing Date:
July 02, 1976
Export Citation:
International Classes:
G03B31/00; G02B7/00; G03B31/02; G11B7/08; G11B7/1381; (IPC1-7): G03B31/02; G11B7/18
Domestic Patent References:
| JPS5044727U | 1975-05-06 |
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