Kettering, OH, US
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Patent Grant
The United States of America as represented by the Secretary of the Air Force
Harold L. Gegel
B22 - CASTING POWDER METALLURGY
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Patent Grant
The United States of America as represented by the Secretary of the Air Force
Harold L. Gegel
C21 - METALLURGY OF IRON
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Patent Grant
The United States of America as represented by the Secretary of the Air Force
Robert E. Maringer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
