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29

2025

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05

The differences between conventional DTH (Down-The-Hole) water well drill rods and integrated rig drill rods

The differences between conventional DTH (Down-The-Hole) water well drill rods and integrated rig drill rods

drilll rod

27

2025

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05

DHD360A Down-The-Hole (DTH) Hammer

DHD360A Down-The-Hole (DTH) Hammer

DHD360A Down-The-Hole (DTH) Hammer

31

2025

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03

selection between Down-The-Hole Hammer (DTH) and Roller Cone Bit

selection between Down-The-Hole Hammer (DTH) and Roller Cone Bit

selection between Down-The-Hole Hammer (DTH) and Roller Cone Bit

28

2025

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03

610mm ka pana atu i te Dth (raro-te-rua) drill bit

610mm ka pana atu i te Dth (raro-te-rua) drill bit

610mm ka pana atu i te Dth (raro-te-rua) drill bit

26

2025

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03

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Zhuzhou Zhongge Cemented Carbide Co., Ltd.

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