Title:
Manufacture of ultrafilter membranes
United States Patent 1720670


Inventors:
Jacques, Duclaux
Application Number:
US66017923A
Publication Date:
07/16/1929
Filing Date:
08/30/1923
Assignee:
Jacques, Duclaux
Primary Class:
Other Classes:
55/DIG.24, 210/500.29
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