BREAKING DOWN 'Patent' In the United States, most patents are valid for 20 years from the date the application was filed with the U.S. Patent and Trademark Office.
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Chery ( Eastar, Cowin, QQ, Tiggo, A5, V5, QQ6) GMC ( Commerical Star) ... It use only 1/5 energy of normal dipped-beam headlights and 5 times brighter.
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Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to ...
