Document Type and Number:
Japanese Patent JPS5330242
Kind Code:
Y2
Application Number:
JP2404972U
Publication Date:
July 28, 1978
Filing Date:
February 26, 1972
Export Citation:
International Classes:
H04S7/00; H03G3/00; H04R5/00; H04R5/04; (IPC1-7): H04R5/04; H03G3/00