Document Type and Number:
Japanese Patent JPS56145196
Kind Code:
U
Application Number:
JP4222780U
Publication Date:
November 02, 1981
Filing Date:
March 28, 1980
Export Citation:
International Classes:
H04R9/02; H04R9/06; (IPC1-7): H04R9/02; H04R9/06
Domestic Patent References:
| JP54179131B |
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