Document Type and Number:
Japanese Patent JPS5617796
Kind Code:
U
Application Number:
JP9758879U
Publication Date:
February 16, 1981
Filing Date:
July 17, 1979
Export Citation:
International Classes:
H04R9/04; H04R7/12; H04R7/18; H04R9/06; (IPC1-7): H04R9/04; H04R7/18; H04R9/06
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