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Telekommunikationsunternehmen

Baden-Württemberg Baden-Württemberg
Bavaria Bavaria
Brandenburg Brandenburg
Hesse Hesse
Lower Saxony Lower Saxony
North Rhine-Westphalia North Rhine-Westphalia
Rhineland-Palatinate Rhineland-Palatinate
Saxony Saxony
Saxony-Anhalt Saxony-Anhalt
Thuringia Thuringia