Document Type and Number:
Japanese Patent JPS4220412
Kind Code:
Y1
Application Number:
JP4450564U
Publication Date:
November 28, 1967
Filing Date:
June 03, 1964
Export Citation:
International Classes:
H03F1/32; H03F1/33; H03F1/34; (IPC1-7): H03F1/33; H03F1/34