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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5819919
Kind Code:
Y2
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Application Number:
JP9590178U
Publication Date:
April 23, 1983
Filing Date:
July 12, 1978
Export Citation:
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International Classes:
H04R11/08; H04R11/12; (IPC1-7): H04R11/08



 
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