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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4938980
Kind Code:
Y1
Application Number:
JP5077969U
Publication Date:
October 25, 1974
Filing Date:
May 31, 1969
Export Citation:
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International Classes:
H04N7/14; H04M3/00; H04M11/00; H04N5/257; (IPC1-7): H04N7/14; H04M3/00; H04M11/00; H04N5/36



 
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