Electric furnace
United States Patent 3419666
US Patent References:
Electric furnace
- - 1845497

Cooling system
- - 2825034

Heat exchange assembly and control
- - 2885866

Temperature exchanger
- - 2902266


Inventors:
Groom, David W.
Publication Date:
12/31/1968
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Primary Class:
373/109
Other Classes:
392/342, 65/DIG.004, 392/399
International Classes:
F22B1/28; F24C7/00; F24H1/00; F22B1/00




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