Sejumlah kendaraan dan alat berat hadir di ajang Mining Indonesia Expo 2017 di JIExpo, Kemayoran, Jakarta, 13-16 September 2017.
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Sejumlah kendaraan dan alat berat hadir di ajang Mining Indonesia Expo 2017 di JIExpo, Kemayoran, Jakarta, 13-16 September 2017.
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