7 янв 2005 г. - This included an innovation seen in one of James Dyson's very early inventions the ball-barrow. The vacuum was moved on a ball rather than 4 wheels to increase its mobility.
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This included an innovation seen in one of James Dyson's very early inventions the ball-barrow. The vacuum was moved on a ball rather than 4 wheels to increase its mobility.Добавлено на ленту времени:
Дата:
7 янв 2005 г.
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~ 20 г назад