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Little engineers: machinery and tools(Chinese Edition)
Vendeur : liu xing, Nanjing, JS, Chine
Évaluation du vendeur 5 sur 5 étoiles
paperback. Etat : New. Pages Number: 48 Language: Chinese Have you paid attention to the number of machines and tools to use in our daily lives? From simple screwing. the amount of nail size to more complex such as textiles. printing and suction dust. machinery and tools provide a great convenience to our work. Compared with simple tools. the machine is composed by a set of interrelated and complex mechanical energy can be converted into useful work. Through hands-on making your own tools and pulleys. mechanical pr. N° de réf. du vendeur N71370
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EUR 46,80
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Expédition depuis Chine vers Etats-Unis
Expédition depuis Chine vers Etats-Unis
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