Process for rust-proofing and passivating iron articles
United States Patent 2800422

Inventors:
Achille, Piccinelli
Publication Date:
07/23/1957
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Assignee:
Achille, Piccinelli
Primary Class:
International Classes:
C23C22/83; C23C22/82
US Patent References:
2552874Method of phosphatizing ferriferous surfaces