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| 0000072909-18-000019-index.html | 2018-10-26 16:40:31 | |
| 0000072909-18-000019.txt | 2018-10-26 16:40:31 | |
 0000072909-18-000019-xbrl.zip | 208384 | 2018-10-26 16:40:31 |
| FilingSummary.xml | 35366 | 2018-10-26 16:40:31 |
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| nspw-20180930.xsd | 51406 | 2018-10-26 16:40:31 |
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| report.css | 2767 | 2018-10-26 16:40:31 |
| Show.js | 1085 | 2018-10-26 16:40:31 |