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| 0000076282-21-000031-index.html | 2021-05-05 13:36:59 | |
| 0000076282-21-000031.txt | 2021-05-05 13:36:59 | |
 0000076282-21-000031-xbrl.zip | 181810 | 2021-05-05 13:36:59 |
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| report.css | 2767 | 2021-05-05 13:36:59 |
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