Title:
Filtering means for air supply devices
Document Type and Number:
United States Patent 2577606

Inventors:
Conley, Thomas A.
Publication Date:
12/04/1951
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Referenced by:
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Assignee:
AMERICAN OPTICAL CORP
Primary Class:
96/134
Other Classes:
55/512, 55/507, 128/205.290, 55/503, 55/DIG.035
International Classes:
A62B23/02; A62B23/00
US Patent References:
0767859
2010424Conditioner for air line respirators
2102037Filter type respirator
2316832Fluid mixing device


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