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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63159989
Kind Code:
U
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Application Number:
JP5365887U
Publication Date:
October 19, 1988
Filing Date:
April 08, 1987
Export Citation:
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International Classes:
H04R1/10; H04R5/033; (IPC1-7): H04R1/10; H04R5/033



 
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