Document Type and Number:
Japanese Patent JPS543636
Kind Code:
Y1
Application Number:
JP964072U
Publication Date:
February 20, 1979
Filing Date:
January 24, 1972
Export Citation:
International Classes:
H01J23/22; H01J25/50; (IPC1-7): H01J23/22; H01J25/50
Next Patent: JPS543637