Document Type and Number:
Japanese Patent JPS4220411
Kind Code:
Y1
Application Number:
JP7210364U
Publication Date:
November 28, 1967
Filing Date:
September 12, 1964
Export Citation:
International Classes:
H03F3/72; H03K4/02; H03K17/66; (IPC1-7): H03K4/02; H03F3/72; H03K17/66