Document Type and Number:
Japanese Patent JPS5291118
Kind Code:
U
Application Number:
JP17882075U
Publication Date:
July 07, 1977
Filing Date:
December 29, 1975
Export Citation:
International Classes:
H04R9/00; H04R7/14; (IPC1-7): H04R9/00
Domestic Patent References:
| JP42009211A | ||||
| JPS50113219A | 1975-09-05 |
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