Coordinate GPS medie per codice postale 747-23: 49.963, 18.129

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lista delle città :
>> Bělá 747-23, Opava, coordinate GPS: 49.9667,18.15
>> Bolatice 747-23, Opava, coordinate GPS: 49.9667,18.0833
>> Borová 747-23, Opava, coordinate GPS: 49.9667,18.1167
>> Závada 747-23, Opava, coordinate GPS: 49.95,18.1667