Process for treating metals to prevent spotting out
United States Patent 2009278

Inventors:
Smidel, Oscar G.
Publication Date:
07/23/1935
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Assignee:
Smidel, Oscar G.
Primary Class:
134/28
Other Classes:
165/61, 510/477, 510/245, 510/463, 134/34, 427/327, 134/31, 427/273
International Classes:
C23C8/80