Title:
Method and the means for shaping tubes
United States Patent 1764561
Inventors:
Gulick, Edward J.
Publication Date:
06/17/1930
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Export Citation:
Assignee:
CONN LTD C G
Primary Class:
Other Classes:
29/889.610, 29/421.100
International Classes:
B21D26/02; B21D26/00