Title:
Method of manufacturing cathodes of electric discharge tubes
Document Type and Number:
United States Patent 2453753

Inventors:
Robert, Loosjes
Publication Date:
11/16/1948
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Assignee:
HARTFORD NAT BANK & TRUST CO
Primary Class:
445/51
Other Classes:
445/58, 313/346R, 427/77
International Classes:
H01J9/04
US Patent References:
1936334Electrode
1936419Photo-electric tube
Foreign References:
GB255090A




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