Document Type and Number:
Japanese Patent JPS5553075
Kind Code:
Y2
Application Number:
JP18021775U
Publication Date:
December 09, 1980
Filing Date:
December 26, 1975
Export Citation:
International Classes:
H01J23/00; H01J7/24; H01J23/033; H01J23/14; H01J23/15; (IPC1-7): H01J23/14; H01J23/033
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