Title:
Tool retainer
United States Patent 2107581
Inventors:
Parsons, John H.
Lamb, Lawrence S.
Publication Date:
02/08/1938
Export Citation:
Assignee:
Parsons, John H.
Lamb, Lawrence S.
Primary Class:
Other Classes:
83/698.31, 83/698.91
International Classes:
B21D28/34; B21D28/34
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