Document Type and Number:
Japanese Patent JPS543342
Kind Code:
B1
Application Number:
JP3909568A
Publication Date:
February 21, 1979
Filing Date:
June 08, 1968
Export Citation:
International Classes:
H03C1/28; H01J23/34; H01J25/04; (IPC1-7): H01J25/04; H03C1/28