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| 0000024491-21-000021-index.html | 2021-05-03 12:58:39 | |
| 0000024491-21-000021.txt | 2021-05-03 12:58:39 | |
 0000024491-21-000021-xbrl.zip | 264715 | 2021-05-03 12:58:39 |
| a2021033110qexhibit311.htm | 10068 | 2021-05-03 12:58:39 |
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| Financial_Report.xlsx | 84652 | 2021-05-03 12:58:39 |
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| report.css | 2767 | 2021-05-03 12:58:39 |
| Show.js | 1085 | 2021-05-03 12:58:39 |