Prosečne GPS koordinate za poštanski broj 423-829: 37.49, 126.867

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Spisak gradova:
>> Cheolsan 1(il)-dong/철산1동 423-829, Gyeonggi-do/경기, Gwangmyeong-si/광명시, 1-57/1-57, GPS koordinate: 37.49014,126.86668
>> Cheolsan 1(il)-dong/철산1동 423-829, Gyeonggi-do/경기, Gwangmyeong-si/광명시, 568-20/568-20, GPS koordinate: 37.49015,126.86669
>> Cheolsan 1(il)-dong/철산1동 423-829, Gyeonggi-do/경기, Gwangmyeong-si/광명시, 606-1/606-1, GPS koordinate: 37.49021,126.86675
>> Cheolsan 1(il)-dong/철산1동 423-829, Gyeonggi-do/경기, Gwangmyeong-si/광명시, San 1/산1, GPS koordinate: 37.49024,126.86678