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DTH hammer DHD3.5 Symmetrix Overburdern Drilling System casing 114mm
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Symmetric overburden drilling system O.D.194mm2016-06-06 19:03:35 |
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DTH hammer DHD3.5 Symmetrix Overburdern Drilling System casing 114mm2016-06-06 18:50:00 |
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Concentric overburden drilling system O.D.273mm2016-06-06 18:49:59 |
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Concentric overburden drilling system O.D.194mm2016-06-06 18:49:59 |
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Double Casing 133mm with good quality and best price2016-06-06 18:47:03 |
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overburden drilling systems with double head with good quality2016-06-06 18:47:03 |