Document Type and Number:
Japanese Patent JPS5470524
Kind Code:
U
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Application Number:
JP14465377U
Publication Date:
May 19, 1979
Filing Date:
October 28, 1977
Export Citation:
International Classes:
H04R3/00; H03G3/32; H03G3/34; H04R1/04; (IPC1-7): H04R1/04; H03G3/32
Domestic Patent References:
| JPS5138541A | 1976-03-31 |