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| 0000088053-19-001208-index.html | 2019-12-12 10:59:38 | |
| 0000088053-19-001208.txt | 2019-12-12 10:59:38 | |
 0000088053-19-001208-xbrl.zip | 112914 | 2019-12-12 10:59:38 |
 BarChart1.png | 28579 | 2019-12-12 10:59:38 |
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| ddstfis-20191127.xml | 199407 | 2019-12-12 10:59:38 |
| ddstfis-20191127.xsd | 23439 | 2019-12-12 10:59:38 |
| ddstfis-20191127_cal.xml | 4742 | 2019-12-12 10:59:38 |
| ddstfis-20191127_def.xml | 821057 | 2019-12-12 10:59:38 |
| ddstfis-20191127_lab.xml | 165392 | 2019-12-12 10:59:38 |
| ddstfis-20191127_pre.xml | 650044 | 2019-12-12 10:59:38 |
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| R1.htm | 18245 | 2019-12-12 10:59:38 |
| R10.htm | 127503 | 2019-12-12 10:59:38 |
| R17.htm | 251838 | 2019-12-12 10:59:38 |
| R18.htm | 99759 | 2019-12-12 10:59:38 |
| R2.htm | 127790 | 2019-12-12 10:59:38 |
| R24.htm | 209322 | 2019-12-12 10:59:38 |
| R25.htm | 99476 | 2019-12-12 10:59:38 |
| R31.htm | 211398 | 2019-12-12 10:59:38 |
| R32.htm | 7509 | 2019-12-12 10:59:38 |
| R9.htm | 249773 | 2019-12-12 10:59:38 |
| report.css | 2767 | 2019-12-12 10:59:38 |
| Show.js | 1085 | 2019-12-12 10:59:38 |
| xb120119stf.htm | 33858 | 2019-12-12 10:59:38 |