Document Type and Number:
Japanese Patent JPS5094920
Kind Code:
A
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Application Number:
JP13662373A
Publication Date:
July 29, 1975
Filing Date:
December 04, 1973
Export Citation:
International Classes:
G03B13/36; G02B7/38; G03B3/00; (IPC1-7): G02B7/11; G03B3/00; H04N5/24