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7 ene 1984 año - After testing 5127 prototypes, James Dyson had finally perfected his invention of Dual Cyclone Technology.

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After testing 5127 prototypes, James Dyson had finally perfected his invention of Dual Cyclone Technology.

Añadido al timeline:

5 nov 2018
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10011

fecha:

7 ene 1984 año
Ahora mismo
~ 41 years ago