Title:
Luminescent tube
United States Patent 1824452

Inventors:
Wamser, Charles J.
Publication Date:
09/22/1931
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Assignee:
Wamser, Charles J.
Primary Class:
313/15
Other Classes:
313/356, 313/547, 313/42, 313/39, 313/289
International Classes:
H01J17/06; H01J17/04