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| 0001564590-22-006817.txt | 2022-02-24 18:02:39 | |
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| dbp-10k_20211231.htm | 2414509 | 2022-02-24 18:02:39 |
| dbp-10k_20211231_htm.xml | 1451575 | 2022-02-24 18:02:39 |
| dbp-20211231.xsd | 39755 | 2022-02-24 18:02:39 |
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| dbp-ex312_6.htm | 17102 | 2022-02-24 18:02:39 |
| dbp-ex321_8.htm | 8800 | 2022-02-24 18:02:39 |
| dbp-ex322_9.htm | 8855 | 2022-02-24 18:02:39 |
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| Financial_Report.xlsx | 65932 | 2022-02-24 18:02:39 |
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