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| 0001654954-22-015505-index.html | 2022-11-17 16:57:21 | |
| 0001654954-22-015505.txt | 2022-11-17 16:57:21 | |
| nsfdf_6k.htm | 13536 | 2022-11-17 16:57:21 |
| nsfdf_ex991.htm | 568628 | 2022-11-17 16:57:21 |
 nsfdf_ex991img1.jpg | 5049 | 2022-11-17 16:57:21 |
| nsfdf_ex992.htm | 373225 | 2022-11-17 16:57:21 |
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| nsfdf_ex993.htm | 15624 | 2022-11-17 16:57:21 |
| nsfdf_ex994.htm | 15318 | 2022-11-17 16:57:21 |