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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63152344
Kind Code:
U
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Application Number:
JP4383987U
Publication Date:
October 06, 1988
Filing Date:
March 25, 1987
Export Citation:
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International Classes:
H04R3/00; H04B11/00; H04M9/00; H04M9/08; (IPC1-7): H04M9/00; H04B11/00; H04M9/08; H04R3/00
Domestic Patent References:
JPS54124904A1979-09-28
JPS49131506A1974-12-17



 
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