Title:
Electron discharge device
United States Patent 3072817
Inventors:
Gordon, Eugene I.
Publication Date:
01/08/1963
Export Citation:
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
315/3
Other Classes:
315/5.34, 315/5.39, 330/4.7, 330/43, 330/47
International Classes:
H01J25/49; H01J25/00
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US Patent References:
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