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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6239403
Kind Code:
B2
Inventors:
SUZUKI RYOICHI
OGAWA YUKIO
KINOSHITA TAKAO
UCHAMA TAKASHI
Application Number:
JP7513778A
Publication Date:
August 22, 1987
Filing Date:
June 21, 1978
Export Citation:
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Assignee:
CANON KK
International Classes:
G03B7/087; G03B7/08; G03B9/08; G03B9/10; G03B9/36