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41f threads rc dual wall pipe
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...Wall Drilling Pipe Reverse Circulation RC Drill Rod For Geological Research Product Description 1. Steel grade: E75R780G105 S135 2. Specification: ...
2025-07-30 00:10:24
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102mm RC Drill Pipe 4" Remet thread high quality R780 steel grade Product Description: The high-pressure air and the gas pipe are transported to ...
2025-07-30 00:10:24
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...Pipe / RC Double Wall Drill Pipe Product Description In order to realize the reverse circulation drilling process of the through-hole DTH hammer, ...
2025-07-30 00:10:24
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...Wall Drilling Pipe RC Rods For Reverse Cireulation Drilling Product Description High strength double tube drilling pipe for air reverse circulation ...
2025-07-30 00:10:24
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...Wall Drilling Pipe RC Rods For Reverse Cireulation Drilling Product Description High strength double tube drilling pipe for air reverse circulation ...
2025-07-30 00:10:24
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... drill rod and outer drill rod). The inner cavity hole of the inner drill pipe is a channel for pumping water or mud to the construction hole ...
2025-07-30 00:10:24
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Rotary Drill Double Wall Or Single Wall Casing Pipe With Casting Joint Product Description In order to realize the reverse circulation drilling ...
2025-07-30 00:10:24
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Circulation Water Well Drill Pipe Double Wall Rods Reverse Cireulation Drilling For Geological Product Description In order to realize the reverse ...
2025-07-30 00:10:24
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Product Description: Double Wall Drill Pipe is a reverse circulation piping system which is designed to provide faster, easier, and more efficient ...
2025-01-02 16:10:03
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