220mm OD Numa Hammers , 1.7-2.5Mpa Work Pressure DTH Hammer Well Drilling

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Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

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220mm OD Numa Hammers , 1.7-2.5Mpa Work Pressure DTH Hammer Well Drilling

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220mm OD Numa Hammers , 1.7-2.5Mpa Work Pressure DTH Hammer Well Drilling

Compressed air rock drilling machine SD10 TH10 Numa100 DTH Hammer Application Range It is widely applied to all kinds of rock drilling and excellent for casing systems and water well projects. Design ...

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hammer well drilling

water hammer drilling

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