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1 result for “page 2 of 7” · 2356ms

Patent

US1797374 Thermal insulation of electrolytic cells

Cited prior art · Smith James Norman · Westinghouse Electric Corp · United States · 1931

and prevent heat radiation "...loo hood 6 lined with heat insulating material 7, the exterior of said hood, Page 4 3. A thermal insulation device for electro lytic cells comprising a