: Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

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146 Double Casing Drilling System For Grouting Holes 85-127mm Bit Dia

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Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

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146 Double Casing Drilling System For Grouting Holes 85-127mm Bit Dia

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146 Double Casing Drilling System For Grouting Holes 85-127mm Bit Dia

Teamwhole Factory Direct Sales 146 Double Casing Drilling Tools Specifications 1. Different Structure:With inner drill rods and With inner hammer 2. Outer dia of casing tube:118-168 3. Drill bit Dia...

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symmetrix overburden drilling system

odex system

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