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| 0000028917-20-000127-index.html | 2020-06-05 17:17:35 | |
| 0000028917-20-000127.txt | 2020-06-05 17:17:35 | |
 0000028917-20-000127-xbrl.zip | 188958 | 2020-06-05 17:17:35 |
| dds-05022020x10q.htm | 1190199 | 2020-06-05 17:17:35 |
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| dds-05022020xexx311.htm | 15916 | 2020-06-05 17:17:35 |
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| dds-05022020xexx323.htm | 7862 | 2020-06-05 17:17:35 |
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| Financial_Report.xlsx | 48251 | 2020-06-05 17:17:35 |
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| R1.htm | 53638 | 2020-06-05 17:17:35 |
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| report.css | 2767 | 2020-06-05 17:17:35 |
| Show.js | 1085 | 2020-06-05 17:17:35 |