Prosečne GPS koordinate za poštanski broj 637-922: 35.289, 128.559

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Spisak gradova:
>> Chirwon-myeon/칠원면 637-922, Gyeongsangnam-do/경남, Haman-gun/함안군, Mugiri/무기리, GPS koordinate: 35.2886,128.55852
>> Chirwon-myeon/칠원면 637-922, Gyeongsangnam-do/경남, Haman-gun/함안군, Ungokri/운곡리, GPS koordinate: 35.28863,128.55855
>> Chirwon-myeon/칠원면 637-922, Gyeongsangnam-do/경남, Haman-gun/함안군, Unseori/운서리, GPS koordinate: 35.28866,128.55858