Extrusion mill
United States Patent 2176365

Inventors:
Skinner, Chame D.
Bradley, Leo C.
Publication Date:
10/17/1939
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Assignee:
Skinner, Chame D.
Bradley, Leo C.
Primary Class:
72/255
Other Classes:
72/257, 72/256, 29/33C
International Classes:
B21C35/02; B21C35/00