Document Type and Number:
Japanese Patent JPS5146575
Kind Code:
B1
Application Number:
JP13426873A
Publication Date:
December 09, 1976
Filing Date:
December 03, 1973
Export Citation:
International Classes:
H01J23/26; H01J23/00; H01J25/34; (IPC1-7): H01J23/00; H01J25/34