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R32 Rock tombol Drill Bit panas proses karbida semi balistik2022-03-15 16:40:36 |
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85mm / 105mm / 121mm / 127mm DTH Pengeboran Alat NC26 - NC50 Bor Pipa Bersama2019-11-20 16:45:22 |
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Operasi Penambangan DTH Mata Bor Bahan 133 - 165mm Diameter Tungsten Carbide2025-03-10 17:23:53 |
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12 Derajat Tapered Tungsten Drill Bits Diameter 38mm Untuk Pengeboran Batuan2022-03-15 15:49:29 |