Method and apparatus for helically winding strip material
United States Patent 3062267

Inventors:
Hart, Benjamin F.
Carlson, Roland P.
Publication Date:
11/06/1962
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Assignee:
GEN ELECTRIC
Primary Class:
Other Classes:
72/701, 29/605, 29/890.048
International Classes:
B21F3/00; H02K15/02