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Start Over You searched for: Publisher National Inventors Council Remove constraint Publisher: National Inventors Council Catalog Issue Year Decade 1940 - 1949 Remove constraint Catalog Issue Year Decade: 1940 - 1949 Sudoc Stem C 32.2 Remove constraint Sudoc Stem: C 32.2

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1. General information circular.

4. Technical problems in national defense.

6. Inventive problems of military interest.