Derniers inventions, produits et services
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2013
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Invention
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Window cleaning device and method for controlling movement thereof. The present invention relates... |
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Invention
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Window cleaning device. A window cleaning device, according to the present embodiment, comprises:... |
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2011
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Invention
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Window-cleaning apparatus, and method for controlling the movement thereof. The present invention... |
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Invention
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Apparatus for cleaning a glass window and method for controlling the movement thereof. The presen... |
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2010
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Invention
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Glass window cleaning device and a control method therefor. The present invention relates to a gl... |
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