Document Type and Number:
Japanese Patent JPS5297501
Kind Code:
U
Application Number:
JP530376U
Publication Date:
July 22, 1977
Filing Date:
January 20, 1976
Export Citation:
International Classes:
H04R5/027; H04R1/02; H04R1/32; H04R5/00; (IPC1-7): H04R5/00; H04R1/02; H04R1/32