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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 6048-2022 |
O-shaped rubber sealing ring for roller Cone bit {译} 牙轮钻头用O形橡胶密封圈 |
China Chemistry Industry
Standards Cone bit |
 English PDF |
| SY/T 5164-2016 |
(Cone bit) |
China Oil & Gas Industry
Standards Cone bit |
English PDF |
| SY/T 5164-2008 |
TriCone bit 三牙轮钻头 |
China Oil & Gas Industry
Standards Cone bit |
English PDF |
| SY/T 5415-1991 |
(Cone bit worn evaluation method) |
China Oil & Gas Industry
Standards Cone bit |
English PDF |
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