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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5137228
Kind Code:
A
Inventors:
TOYAMA MASAMICHI
TAKIGAWA TOMOSHI
ICHANAGI TOSHIICHI
Application Number:
JP11010074A
Publication Date:
March 29, 1976
Filing Date:
September 25, 1974
Export Citation:
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Assignee:
CANON KK
International Classes:
G03B17/18; G03B17/20; (IPC1-7): G03B17/20
Domestic Patent References:
JPS4964426A1974-06-21