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                            SGS Certification Tunnel Bench Drilling T38 T45 T51 Threaded Drill Bars2022-03-15 16:25:36 | 
                    
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                            API Reg Thread Or F Thread DTH Drill Pipe And Sub For Water Well Drilling2022-03-15 15:42:20 | 
                    
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                            7°/11°/12° High Speed Rock Drilling Tungsten Carbide Tapered Drill Bits2021-12-29 10:23:05 | 
                    
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                            Standard And Retrac Thread Button Bits Rock Drilling T38 T45 T51 R32 R382019-10-23 16:40:42 | 
                    
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                            T45 76mm Stone Drilling Bits High Manganese Steel With Conical Button2019-10-23 16:40:47 | 
                    
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                            Small Hole Threaded Drill Rod H25 Length 3050mm With Shank 22 * 108mm2025-03-12 15:08:53 |