Document Type and Number:
Japanese Patent JPS5754323
Kind Code:
Y2
Application Number:
JP1808477U
Publication Date:
November 25, 1982
Filing Date:
February 16, 1977
Export Citation:
International Classes:
H03F3/58; H01J23/34; H01J25/34; H04B1/04; (IPC1-7): H03F3/58