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CH700651A2
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Foldable device individual lift, especially for the household.
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EP1082043A1
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Automatic device for a physically handicapped person, in particular for seizing food from a plate
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CA2242228A1
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Table attachment for the physically handicaped
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CH690291A5
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Eating tool for handicapped person, especially for cutting up meat
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EP0566527A1
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Method of operation for the pit of a refuse incineration plant
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EP0590216A1
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Levelling of the profile of a heap of waste in a receiving pit of a waste incineration plant
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CH685859A5
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Educational waste recycling toy
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