Title:
Flexible strand drawing
United States Patent 2148632
Inventors:
Edward, Lovejoy Frank
Publication Date:
02/28/1939
Export Citation:
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Assignee:
Edward, Lovejoy Frank
Primary Class:
434/83
Other Classes:
352/54, 428/39, 428/187
International Classes:
G03B15/08; G03B15/08
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