| http://www.w3.org/ns/prov#value | - However, the layout is such that the handling device can be used as a mobile unit, since a special base, for example rails, can be incorporated into the system, which enable the entire mechanical handling device, i.e. the underframe and all other parts of the handling device, to be moved about, a drive incorporating a flexible member which can be displaced against an adjustable force and a switch-
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