teknisi hidrolik di Kalimantan Timur

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Golder Associates (PT Geotechnical & Environmental Services Indonesia)

Jalan Pupuk Barat III No.54, 76101 Balikpapan City, Indonesia

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PT. Indikran Hydrauliks

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PT Bumi Indonesia

Jalan Tantina I no 26, 75117 Kota Samarinda, Indonesia

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Weir Pressure Pumping

Jalan Mulawarman No 20 RT 20, 76116 Kota Balikpapan, Indonesia