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Air filter
United States Patent 2019186
Inventors:
Kaiser, Harry S.
Publication Date:
10/29/1935
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Download PDF 2019186
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Assignee:
H S KAISER COMPANY
Primary Class:
96/390
Other Classes:
55/482, 261/112.200, 55/521, 55/440, 55/524
International Classes:
B01D46/52
;
B01J19/32