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H22/H32/H38/H45/H52 Hexagonal Hollow Drill Rock Drill Pipe

H22/H32/H38/H45/H52 Hexagonal Hollow Drill Rock Drill Pipe
H22/H32/H38/H45/H52 Hexagonal hollow drill rock drill pipeSpecifications: Bench & production rodsDescriptionLengthDiamet...

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