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| 0000733076-24-000013.txt | 2024-08-09 16:08:40 | |
 0000733076-24-000013-xbrl.zip | 506533 | 2024-08-09 16:08:40 |
| bhl-20240630.htm | 3873718 | 2024-08-09 16:08:40 |
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| report.css | 2768 | 2024-08-09 16:08:40 |
| Show.js | 1086 | 2024-08-09 16:08:40 |