Document Type and Number:
Japanese Patent JPS512488
Kind Code:
Y1
Application Number:
JP5466770U
Publication Date:
January 24, 1976
Filing Date:
June 03, 1970
Export Citation:
International Classes:
H04H5/00; (IPC1-7): H04H5/00
Domestic Patent References:
JPS433683Y1 | 1968-02-16 |
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