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7 janv. 1984 - 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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Date:

7 janv. 1984

Maintenaint

~ Il y a 41 ans

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