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Transformer with a closed magnetic circuit
United States Patent 2175039
Inventors:
Pierre, Soulary
Publication Date:
10/03/1939
View Patent Images:
Download PDF 2175039
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Assignee:
Air, Liquide
Primary Class:
336/117
Other Classes:
307/28, 336/40
International Classes:
H01F29/12
;
H01F29/00