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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57146499
Kind Code:
U
Application Number:
JP2386282U
Publication Date:
September 14, 1982
Filing Date:
February 22, 1982
Export Citation:
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International Classes:
H04R11/08; H04R11/12; (IPC1-7): H04R11/12



 
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