Khác biệt giữa các bản “DuPont”

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* [http://www.dupont.com DuPont Website]
* [http://www.dupont.com.vn/ DuPont Việt Nam]
* [http://www.dupont.com/corporate-functions/our-company/dupont-history.html Corporate History as presented by the company]
* [http://biz.yahoo.com/ic/10/10487.html Yahoo company profile: E. I. du Pont de Nemours and Company]
* [http://web.mit.edu/dma/www/ DuPont/MIT Alliance]
* {{Librivox author |id=1969}}