Title:
Method of reenforcing thin-walled metal articles
Document Type and Number:
United States Patent 1886396
Inventors:
Adolf, Hainlen
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Publication Date:
11/08/1932
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Referenced by:
Export Citation:
Assignee:
Adolf, Hainlen
Primary Class:
Other Classes:
220/626, 72/347, 164/112
International Classes:
B21D53/00; B22D19/02