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Yam khoom

KENNEDE muaj cov txiaj ntsig zoo tshaj plaws thiab ntau dua 860 patents, suav nrog ntau dua 100 patents sau npe nyob rau txawv teb chaws.
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Cov khoom tshwj xeeb

Qhia koj tus yam ntxwv ntawm cov khoom thiab cov kev xav tiag tiag ntawm cov neeg siv khoom

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