Dual stage membrane gas separators with variable conductance means for varying their throughput
United States Patent 3398505
Inventors:
Llewellyn, Peter M.
Publication Date:
08/27/1968
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Assignee:
VARIAN ASSOCIATES
Primary Class:
Other Classes:
95/50, 96/9, 73/23.350, 96/102, 95/82
International Classes:
G01N1/34; G01N30/72; G01N30/00
Other References:
None