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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5598099
Kind Code:
U
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Application Number:
JP17984178U
Publication Date:
July 08, 1980
Filing Date:
December 27, 1978
Export Citation:
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International Classes:
H04R7/04; H04R11/02; H04R13/00; (IPC1-7): H04R11/02; H04R7/04