Title:
Additive feeding means
United States Patent 2841165


Inventors:
Emery, Lewis V.
Application Number:
US49371755A
Publication Date:
07/01/1958
Filing Date:
03/11/1955
Assignee:
Hydra, Air Products
Primary Class:
Other Classes:
417/400
International Classes:
B01J4/00
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Foreign References:
GB370842A1932-04-14