Document Type and Number:
Japanese Patent JPS4888024
Kind Code:
U
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Application Number:
JP1028372U
Publication Date:
October 24, 1973
Filing Date:
January 24, 1972
Export Citation:
International Classes:
H04R7/02; H04R7/12; (IPC1-7): H04R7/12
Domestic Patent References:
JPS4316070Y1 | 1968-07-04 |