Title:
Electric rotating resistance furnace
United States Patent 1576621
Inventors:
Fridtjof, Andersen
Publication Date:
03/16/1926
Export Citation:
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Assignee:
Trollhattans, Elektrothermiska
Primary Class:
338/217
Other Classes:
338/138
International Classes:
H05B3/62; H05B3/62
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