Document Type and Number:
Japanese Patent JPS5627658
Kind Code:
Y2
Application Number:
JP13652976U
Publication Date:
July 01, 1981
Filing Date:
October 08, 1976
Export Citation:
International Classes:
H01J7/24; H01J23/00; H01J23/033; H01J23/20; H01J23/213; (IPC1-7): H01J23/213; H01J7/24; H01J23/033