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PDC bit
PDC bit

14 3/4'' 127

PDC bit

171/2'' 124

PDC bit

36'' 124

PDC bit

4 3/4'' 547

PDC bit

6'' 537

PDC bit

8 1/2'' 437

PDC bit

8 1/2'' 537

PDC bit

8 1/2'' 637

PDC bit

9 1/2'' 437

Hubei Ou Rui Petroleum Machinery Equipment Co,.Ltd.

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