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| 0001589526-22-000013.txt | 2022-02-09 16:15:49 | |
 0001589526-22-000013-xbrl.zip | 195575 | 2022-02-09 16:15:49 |
| a10q2022q1ex311.htm | 10638 | 2022-02-09 16:15:49 |
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| blbd-20220101.xsd | 39401 | 2022-02-09 16:15:49 |
| blbd-20220101_cal.xml | 68932 | 2022-02-09 16:15:49 |
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| Financial_Report.xlsx | 65222 | 2022-02-09 16:15:49 |
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| report.css | 2767 | 2022-02-09 16:15:49 |
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