Document Type and Number:
Japanese Patent JPS54140734
Kind Code:
U
More Like This:
Application Number:
JP3678378U
Publication Date:
September 29, 1979
Filing Date:
March 24, 1978
Export Citation:
International Classes:
H04R9/00; H04R7/18; H04R7/26; (IPC1-7): H04R9/00; H04R7/18
Domestic Patent References:
JPS5138432U | 1976-03-23 |