Document Type and Number:
Japanese Patent JPS547736
Kind Code:
Y2
Application Number:
JP8590571U
Publication Date:
April 10, 1979
Filing Date:
September 22, 1971
Export Citation:
International Classes:
H01J23/40; H01J23/14; H01J25/50; H01Q21/00; (IPC1-7): H01J23/14; H01Q21/00
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