Document Type and Number:
Japanese Patent JPS5334130
Kind Code:
Y2
Application Number:
JP9695972U
Publication Date:
August 22, 1978
Filing Date:
August 18, 1972
Export Citation:
International Classes:
H01J1/42; H01J7/24; H01J23/00; H01J23/033; H01J29/50; (IPC1-7): H01J7/24; H01J29/50