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| 0000072909-19-000014-index.html | 2019-08-01 16:51:47 | |
| 0000072909-19-000014.txt | 2019-08-01 16:51:47 | |
 0000072909-19-000014-xbrl.zip | 199012 | 2019-08-01 16:51:47 |
| FilingSummary.xml | 28357 | 2019-08-01 16:51:47 |
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| nspw-20190630.xsd | 42107 | 2019-08-01 16:51:47 |
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| report.css | 2767 | 2019-08-01 16:51:47 |
| Show.js | 1085 | 2019-08-01 16:51:47 |