| http://www.w3.org/ns/prov#value | - Patente US7070021 - Rack step tool - Google PatentesB???squeda Im???genes Maps Play YouTube Noticias Gmail Drive M???s ??Iniciar sesi???n B???squeda avanzada de patentesPatentesA rack step tool for use, for example, in a warehouse which houses a plurality of storage racks which support equipment, merchandise, or other items which are stored on the shelves of the storage racks and from which the eq
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