Document Type and Number:
Japanese Patent JPS5442612
Kind Code:
Y2
Application Number:
JP1799374U
Publication Date:
December 11, 1979
Filing Date:
February 14, 1974
Export Citation:
International Classes:
H03F3/181; H03G3/00; H03G3/02; (IPC1-7): H03G3/00; H03F3/181