Air clamp
United States Patent 1736171
Inventors:
Gomert, Powell
Publication Date:
11/19/1929
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Export Citation:
Assignee:
PULLMAN CAR & MFG CORP
Primary Class:
Other Classes:
269/157, 164/384, 200/6R, 269/92, 269/32
International Classes:
B22C19/02; B22C19/00