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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5526564
Kind Code:
U
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Application Number:
JP10949278U
Publication Date:
February 20, 1980
Filing Date:
August 11, 1978
Export Citation:
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International Classes:
G03B27/50; G02B26/10; G03G15/04; G06K9/00; G06T1/00; (IPC1-7): G03G15/04; G02B27/17; G06K9/00