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Hydraulic drill pipe_ T38 drill pipe_ T45 drill pipe_ T51 drill pipe_ D28 drill pipe_ D32 drill pipe_ H32 drill pipe_ H35 drill pipe_ MF extension of drill pipe of hydraulic rock drill
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Cone bit_Three cone insert bit_Three cone steel tooth bit_Dental disc_Large diameter assembled bit_Air bit_Reverse circulation bit넶44 22-02-27
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