http://lod.ehri-project-test.eu/units/de-002409-de_its_2_1_2-1-7276000/acquisitions/1 an entity of type: Activity rico:generalDescription Ruhrkohle Bergbau AG, Bergwerk Ewald/Schlägel & Eisen, Herten 1997-08-04 rdf:type rico:Activity rico:hasActivityType ehri:AcquisitionType data from the linked data cloud