Title:
Apparatus for producing shaped sections of uniform thickness from sheet metal strips
United States Patent 1909930
Inventors:
Ridder, Ernst DE.
Publication Date:
05/23/1933
Export Citation:
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Assignee:
MAGNESIUM DEV CORP
Primary Class:
72/166
Other Classes:
52/745.19, 52/749.1, 72/381, 72/475, 72/700, D25/121
International Classes:
B21D5/06; B21D5/06
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