Composition for treating metal surfaces preparatory to painting
United States Patent 2304299

Inventors:
Boyle, Clete L.
Sclar, Martin D.
Publication Date:
12/08/1942
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Assignee:
Boyle
Primary Class:
148/250
Other Classes:
516/DIG.002, 516/199
International Classes:
C23C22/08; C23C22/05