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11 5、8 IADC127 Milled Tricone Bit

11 5、8 IADC127 Milled Tricone Bit
11 5、8 IADC217 Milled Tooth Tricone Bit

11 5、8 IADC217 Milled Tooth Tricone Bit
12 1、4 IADC 127 Milled Tooth Tricone Bit

12 1、4 IADC 127 Milled Tooth Tricone Bit
12 1、4 IADC126 Milled Tooth Tricone Bit

12 1、4 IADC126 Milled Tooth Tricone Bit
13 3、4 IADC 127 Milled Tooth Tricone Bit

13 3、4 IADC 127 Milled Tooth Tricone Bit
14 3、4'' IADC 127 Milled Tooth Tricone Bit

14 3、4'' IADC 127 Milled Tooth Tricone Bit
17 1、2'' IADC 115 Milled Tooth Tricone Bit

17 1、2'' IADC 115 Milled Tooth Tricone Bit
17 1、2'' IADC 215 Milled Tooth Tricone Bit

17 1、2'' IADC 215 Milled Tooth Tricone Bit
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