Document Type and Number:
Japanese Patent JPS4979201
Kind Code:
U
Application Number:
JP12332572U
Publication Date:
July 09, 1974
Filing Date:
October 25, 1972
Export Citation:
International Classes:
H04S7/00; H03G3/00; H03G3/02; H04R5/00; (IPC1-7): H04R5/00; H03G3/00