Document Type and Number:
Japanese Patent JPS54146201
Kind Code:
U
Application Number:
JP4457778U
Publication Date:
October 11, 1979
Filing Date:
March 31, 1978
Export Citation:
International Classes:
H03F3/68; H03F3/45; H04H40/63; H04R5/04; H04S7/00; H04H1/00; (IPC1-7): H04R5/04; H03F3/45; H03F3/68; H04H5/00