Title:
Process and apparatus for oxidizing materials
United States Patent 2072375

Inventors:
Jean, Mccallum
Publication Date:
03/02/1937
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Assignee:
NAT LEAD CO
Primary Class:
239/8
Other Classes:
422/310, 239/422, 423/621, 239/424, 261/78.200
International Classes:
C01B13/32