Document Type and Number:
Japanese Patent JPS5082233
Kind Code:
U
Application Number:
JP13871573U
Publication Date:
July 15, 1975
Filing Date:
November 30, 1973
Export Citation:
International Classes:
H04R1/02; H04R1/08; H04R1/20; (IPC1-7): H04R1/02; H04R1/20