Document Type and Number:
Japanese Patent JPS5369234
Kind Code:
U
More Like This:
Application Number:
JP15238776U
Publication Date:
June 10, 1978
Filing Date:
November 12, 1976
Export Citation:
International Classes:
G03B1/00; G03B31/00; (IPC1-7): G03B31/00; G03B1/00
Domestic Patent References:
| JP46040907A |