Document Type and Number:
Japanese Patent JPS5476666
Kind Code:
U
Application Number:
JP15148477U
Publication Date:
May 31, 1979
Filing Date:
November 10, 1977
Export Citation:
International Classes:
H01J9/04; H01J23/04; H01J25/50; (IPC1-7): H01J23/04; H01J9/04; H01J25/50
Domestic Patent References:
JP48083751B |
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