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| 0001564590-22-009320.txt | 2022-03-09 16:30:50 | |
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| Financial_Report.xlsx | 59235 | 2022-03-09 16:30:50 |
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| mack-10k_20211231_htm.xml | 807460 | 2022-03-09 16:30:50 |
| mack-20211231.xsd | 39422 | 2022-03-09 16:30:50 |
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| mack-ex321_8.htm | 4862 | 2022-03-09 16:30:50 |
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