How to enter and win an invention contest
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Bookitis Pick
HT
Image source: Open LibraryEdwin J. C. SobeyFirst published 19991 editions
Describes the history and process of invention and lists national middle school and high school level invention contests and entrance rules, regional inventors' clubs, and ideas for projects.
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First publish date 19991 credited authorSearch language english
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- Open Author
Edwin J. C. Sobey
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