Document Type and Number:
Japanese Patent JPS4314676
Kind Code:
Y1
Application Number:
JP5426665U
Publication Date:
June 20, 1968
Filing Date:
July 03, 1965
Export Citation:
International Classes:
H01J29/04; H01J29/48; H01J29/50; (IPC1-7): H01J29/48; H01J29/50