Method for fastening workpieces to metal plates
United States Patent 2673390

Inventors:
Johan, Broberg Georg Karl
Publication Date:
03/30/1954
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Assignee:
SVENSKA FIAKTFABRIKEN AB
Primary Class:
Other Classes:
188/250D, 29/521, 138/39, 29/522.100, 29/515
International Classes:
B21D39/03; F16B5/04; F16B17/00; F16B5/00
US Patent References:
2427393Method of making clips
Foreign References:
DE510001C