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| 0000014930-21-000004.txt | 2021-01-28 06:31:51 | |
 0000014930-21-000004-xbrl.zip | 59138 | 2021-01-28 06:31:51 |
| bcorp-20210128.htm | 53956 | 2021-01-28 06:31:51 |
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| bcorp-20210128_lab.xml | 38785 | 2021-01-28 06:31:51 |
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| Financial_Report.xlsx | 5763 | 2021-01-28 06:31:51 |
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 newsreleaseusea711.jpg | 2589 | 2021-01-28 06:31:51 |
| q42020exhibit99_1.htm | 829458 | 2021-01-28 06:31:51 |
| R1.htm | 50988 | 2021-01-28 06:31:51 |
| report.css | 2767 | 2021-01-28 06:31:51 |
| Show.js | 1085 | 2021-01-28 06:31:51 |
 smallhiresc131.jpg | 53981 | 2021-01-28 06:31:51 |