Document Type and Number:
Japanese Patent JPS54128403
Kind Code:
U
Application Number:
JP2409478U
Publication Date:
September 06, 1979
Filing Date:
February 28, 1978
Export Citation:
International Classes:
H04R9/12; H04R11/08; (IPC1-7): H04R11/08; H04R9/12
Previous Patent: JPS54128402
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