During the war , Krupp was allowed to take over many industries in occupied nations , including Arthur Krupp steel works in Berndorf , Austria , the Alsacian Corporation for Mechanical Construction ( Elsaessische Maschinenfabrik AG , or ELMAG ) , Robert Rothschild 's tractor factory in France , Škoda Works in Czechoslovakia , and Deutsche Schiff- und Maschinenbau AG ( Deschimag ) in Bremen .
Krupp was allowed to take over Deutsche Schiff-und Maschinenbau AG in Bremen .