Document Type and Number:
Japanese Patent JPS5350383
Kind Code:
Y2
Application Number:
JP8288574U
Publication Date:
December 02, 1978
Filing Date:
July 12, 1974
Export Citation:
International Classes:
H01J7/24; H01J23/00; H01J23/033; H01J23/10; H01J25/50; (IPC1-7): H01J7/24; H01J23/033