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Entwicklungs-KGMethod and apparatus for dispensing and collecting of nestable trolleys for compact storageWO1998051197A1May 7, 1998Nov 19, 1998Catena Systems ApsSystem for promoting the returning of service carts, e.g. shopping carts, intended for transporting commodities in an activity centre, e.g. shopping centres* Cited by examinerClassifications U.S. Classification340/568.1, 340/568.6, 340/568
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