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La Chine développe un petit drone multi-rotor avec un plafond de 5 000 mètres
La Chine a développé une «grue» X-M20, un véhicule aérien sans pilote multi-rotor de petite taille (UAV), qui peut grimper jusqu'à 5 000 mètres, a déclaré mardi l'Institut de recherche et développement de l'hélicoptère China (CHRDI).
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.