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| 0000950170-22-010493-index.html | 2022-05-23 16:09:17 | |
| 0000950170-22-010493.txt | 2022-05-23 16:09:17 | |
| pten-ex1_01.htm | 829656 | 2022-05-23 16:09:17 |
| pten-form-sd-fy2021.htm | 38569 | 2022-05-23 16:09:17 |