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jan 7, 1984 - Dual Cyclone Invention

Description:

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

Added to timeline:

Dyson History

Bykarim farahat

5 Nov 2018

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9839

Date:

jan 7, 1984

Now

~ 41 years ago

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