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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0182599
Kind Code:
U
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Application Number:
JP17814887U
Publication Date:
June 01, 1989
Filing Date:
November 20, 1987
Export Citation:
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International Classes:
H04R11/00; (IPC1-7): H04R11/00
Domestic Patent References:
JPS53136804A1978-11-29



 
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