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| 0000088053-20-001366-index.html | 2020-12-02 14:32:49 | |
| 0000088053-20-001366.txt | 2020-12-02 14:32:49 | |
 0000088053-20-001366-xbrl.zip | 1048989 | 2020-12-02 14:32:49 |
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| ddstfis-20201202.htm | 8580857 | 2020-12-02 14:32:49 |
| ddstfis-20201202.xsd | 28961 | 2020-12-02 14:32:49 |
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| ddstfis-20201202_lab.xml | 174741 | 2020-12-02 14:32:49 |
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| report.css | 2767 | 2020-12-02 14:32:49 |
| Show.js | 1085 | 2020-12-02 14:32:49 |