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Chinese Classification
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| International Standard Category: Equipment for petroleum and natural gas industries in general |
SY/T 5074-2012 Power tongs and tongs for drilling and well servicing
钻井和修井动力钳、吊钳;
| Category No.: | 75.180.01 | Valid Status: | valid |
| Issued Organization: | 0 | Issued Date: | 2012-1-4 |
| Implemented Date: | 2012-3-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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