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Penambangan Eksplorasi Batang Bor Coring / Pipa Bor Geologi Wireline2020-05-28 16:30:06 |
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1,5 m / 3 m ATW, BTW, NTW, HTW Wireline Drill Rod, Perawatan Panas Pipa Bor2020-05-28 16:30:06 |