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|---|---|---|
 0000919574-21-003175-index-headers.html | 2021-04-30 12:57:43 | |
| 0000919574-21-003175-index.html | 2021-04-30 12:57:43 | |
| 0000919574-21-003175.txt | 2021-04-30 12:57:43 | |
 0000919574-21-003175-xbrl.zip | 290772 | 2021-04-30 12:57:43 |
| abbfi-20201231.htm | 1541485 | 2021-04-30 12:57:43 |
| abbfi-20201231.xsd | 7245 | 2021-04-30 12:57:43 |
| abbfi-20201231_cal.xml | 3740 | 2021-04-30 12:57:43 |
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| abbfi-20201231_htm.xml | 83496 | 2021-04-30 12:57:43 |
| abbfi-20201231_lab.xml | 68409 | 2021-04-30 12:57:43 |
| abbfi-20201231_pre.xml | 125357 | 2021-04-30 12:57:43 |
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| FilingSummary.xml | 3704 | 2021-04-30 12:57:43 |
 g12c59.jpg | 1725 | 2021-04-30 12:57:43 |
 g22c48.jpg | 4496 | 2021-04-30 12:57:43 |
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 image_001.jpg | 1920 | 2021-04-30 12:57:43 |
| MetaLinks.json | 129034 | 2021-04-30 12:57:43 |
| R1.htm | 18257 | 2021-04-30 12:57:43 |
| R2.htm | 148567 | 2021-04-30 12:57:43 |
| R8.htm | 233474 | 2021-04-30 12:57:43 |
| R9.htm | 7484 | 2021-04-30 12:57:43 |
| report.css | 2767 | 2021-04-30 12:57:43 |
| Show.js | 1085 | 2021-04-30 12:57:43 |