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7 gen 1984 anni - 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.

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Dyson History

Bykarim farahat

5 nov 2018

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9849

Data:

7 gen 1984 anni

Adesso

~ 41 years ago

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