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Sponsorship: IIT Research Institute United States Patent
Welding Apparatus
Schwartzbart, HarrySaperstein, Zalman P.Rudy, John F.
2009-04-24 1970-11-10
United States Patent
Patent
application/pdf
IIT Research Institute
Open Access
No Copyright - United Stateshttp://rightsstatements.org/page/NoC-US/1.0/
http://hdl.handle.net/10560/2179
3,539,756