Document Type and Number:
Japanese Patent JPS5418126
Kind Code:
Y2
Application Number:
JP11505572U
Publication Date:
July 10, 1979
Filing Date:
October 05, 1972
Export Citation:
International Classes:
H01J40/16; H01J1/34; H01J40/06; H01J43/20; (IPC1-7): H01J43/20; H01J39/16