Document Type and Number:
Japanese Patent JPS4867732
Kind Code:
U
Application Number:
JP11234971U
Publication Date:
August 28, 1973
Filing Date:
November 29, 1971
Export Citation:
International Classes:
H04R9/06; H04R1/32; H04R13/00; (IPC1-7): H04R9/06; H04R1/32