Title:
Tensioning device
Document Type and Number:
United States Patent 2250541
Inventors:
Lessmann, Gerhard P.
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Publication Date:
07/29/1941
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Referenced by:
Export Citation:
Assignee:
WESTINGHOUSE ELECTRIC & MFG CO
Primary Class:
Other Classes:
72/164, 72/234, 72/205
International Classes:
B21B37/50; B21B37/54; B21B39/08; B21B37/48; B21B39/02