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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS54147228
Kind Code:
U
Application Number:
JP4395078U
Publication Date:
October 13, 1979
Filing Date:
April 04, 1978
Export Citation:
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International Classes:
H04R9/04; H01R4/04; H04R9/06; (IPC1-7): H04R9/04; H01R5/02; H04R9/06