Title:
Punching machine
United States Patent 1650411


Inventors:
Yates, Arthur T.
Application Number:
US6002725A
Publication Date:
11/22/1927
Filing Date:
10/02/1925
Assignee:
BUFFALO FORGE CO
Primary Class:
Other Classes:
83/527, 83/572
International Classes:
B21D28/04
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