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WD Ltd.
| WD Ltd. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100219643 | VERTICAL-AXIS WIND-POWERED ELECTRIC POWER GENERATOR WITH PHOTOVOLTAIC COGENERATION - A vertical-axis wind-powered system with photovoltaic cogeneration, for generating electric power, comprising a vertical-axis helical rotor | 09-02-2010 |