Beer cooling system and apparatus
United States Patent 2199503

Inventors:
Martin, Michael A.
Publication Date:
05/07/1940
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Assignee:
Martin, Michael A.
Primary Class:
62/393
Other Classes:
62/201, 62/390
International Classes:
B67D1/08; F25D17/02; F25D31/00; B67D1/00; F25D17/00