Document Type and Number:
Japanese Patent JPS635598
Kind Code:
U
Application Number:
JP9649786U
Publication Date:
January 14, 1988
Filing Date:
June 24, 1986
Export Citation:
International Classes:
G08C23/04; G08C23/00; H04B11/00; H04R1/44; (IPC1-7): G08C23/00; H04B11/00; H04R1/44
Domestic Patent References:
| JPS50134451A | 1975-10-24 |
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