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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6135996
Kind Code:
Y2
Application Number:
JP10342278U
Publication Date:
October 18, 1986
Filing Date:
July 26, 1978
Export Citation:
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International Classes:
G09B13/00; G09B13/02; G12B11/00; G12B11/04; (IPC1-7): G12B11/04; G12B11/00