71459941
Apr 16, 1943
Jul 25, 1944
Active Trademark
Blower Type Evaporative Heat Exchangers for Gas and Diesel Engine Jacket Water Cooling, Lubricating Oil Cooling, Quenching Oil Cooling, Caustic Solution Cooling, Quenching Baths, Transformer Oil Cooling, Cutting Oil Cooling, Automatic Machine Tools, Soap Solution Cooling, and Copper Wire Drawing Mills
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