Document Type and Number:
Japanese Patent JPS5748159
Kind Code:
Y2
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Application Number:
JP5776078U
Publication Date:
October 22, 1982
Filing Date:
April 27, 1978
Export Citation:
International Classes:
H04R11/08; G11B3/50; H04R9/12; (IPC1-7): H04R11/08; H04R9/12