Parent Directory| Name | Size | Last Modified |
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| 0001564590-21-057901-index.html | 2021-11-22 16:57:44 | |
| 0001564590-21-057901.txt | 2021-11-22 16:57:44 | |
 g5g1hye2nrhx000001.jpg | 4271 | 2021-11-22 16:57:44 |
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| ptc-ex232_6.htm | 2410 | 2021-11-22 16:57:44 |
| ptc-ex51_7.htm | 12271 | 2021-11-22 16:57:44 |
| ptc-s3asr.htm | 260130 | 2021-11-22 16:57:44 |