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Electric lamp
United States Patent 2398970
Inventors:
Singer, Grover C.
Publication Date:
04/23/1946
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Download PDF 2398970
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Assignee:
Singer, Grover C.
Primary Class:
313/114
Other Classes:
313/316, 362/350, 192/41S
International Classes:
H01K1/32
;
H01K1/28