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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6219736
Kind Code:
B2
Inventors:
SAKAI KYOSHI
HASHIMOTO MITSURU
KAWAKAMI TOMIKO
Application Number:
JP9768779A
Publication Date:
April 30, 1987
Filing Date:
July 30, 1979
Export Citation:
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Assignee:
RICOH KK
International Classes:
G03G5/06; C09B35/021; C09B35/06; G03G5/04; G03G5/09; H01L31/08