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| 0000897101-12-001926-index.html | 2012-11-09 16:05:45 | |
| 0000897101-12-001926.txt | 2012-11-09 16:05:45 | |
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| FilingSummary.xml | 10044 | 2012-11-09 16:05:45 |
| Financial_Report.xls | 188170 | 2012-11-09 16:05:45 |
| npk-20120930.xml | 216105 | 2012-11-09 16:05:45 |
| npk-20120930.xsd | 11751 | 2012-11-09 16:05:45 |
| npk-20120930_cal.xml | 33661 | 2012-11-09 16:05:45 |
| npk-20120930_def.xml | 13135 | 2012-11-09 16:05:45 |
| npk-20120930_lab.xml | 123268 | 2012-11-09 16:05:45 |
| npk-20120930_pre.xml | 86236 | 2012-11-09 16:05:45 |
| presto124144_10q.htm | 294613 | 2012-11-09 16:05:45 |
| presto124144_ex31-1.htm | 6899 | 2012-11-09 16:05:45 |
| presto124144_ex31-2.htm | 6899 | 2012-11-09 16:05:45 |
| presto124144_ex32-1.htm | 3395 | 2012-11-09 16:05:45 |
| presto124144_ex32-2.htm | 3477 | 2012-11-09 16:05:45 |
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| R2.htm | 128088 | 2012-11-09 16:05:45 |
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