Document Type and Number:
Japanese Patent JPS5411508
Kind Code:
Y2
Application Number:
JP1773774U
Publication Date:
May 23, 1979
Filing Date:
February 15, 1974
Export Citation:
International Classes:
H01J1/40; H01J7/24; H01J23/00; H01J23/033; H01J23/10; H01J25/50; (IPC1-7): H01J7/24; H01J23/033
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