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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5539039
Kind Code:
B2
Application Number:
JP1240674A
Publication Date:
October 08, 1980
Filing Date:
January 29, 1974
Export Citation:
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International Classes:
G08B25/00; G08B17/00; G08B25/01; G08B27/00; H04N7/18