http://lod.ehri-project-test.eu/units/de-002409-de_its_2_1_2-1-10000469/acquisitions/1 an entity of type: Activity rico:generalDescription Datteln, Zentralarchiv der Ruhrkohle AG 1994-05 rdf:type rico:Activity rico:hasActivityType ehri:AcquisitionType data from the linked data cloud