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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5115439
Kind Code:
A
Inventors:
YONEDA OSAMU
Application Number:
JP8656074A
Publication Date:
February 06, 1976
Filing Date:
July 30, 1974
Export Citation:
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Assignee:
NIPPON KOGAKU KK
International Classes:
G03B31/04; (IPC1-7): G03B31/04



 
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