Title:
Heat exchange device for corrosive liquors
United States Patent 3001766
Inventors:
Frederick, Laist
Publication Date:
09/26/1961
Other Classes:
165/140, 165/135, 165/69, 165/905, 165/58, 165/178, 165/173
International Classes:
F28D7/00; F28F9/02; F28F19/04; F28F21/02; F28F19/00; F28F21/00