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Sponsorship: Armour Research Foundation of Illinois Institute of Technology United States Patent
Electromagnetic Transducer Head Assembly
Zenner, Raymond E.
1951-01-16
United States Patent
Patent
application/pdf
Armour Research Foundation of Illinois Institute of Technology
Open Access
No Copyright - United Stateshttp://rightsstatements.org/page/NoC-US/1.0/
http://hdl.handle.net/10560/120
2,538,405