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| 0000935494-11-000009-index.html | 2011-02-18 10:43:26 | |
| 0000935494-11-000009.txt | 2011-02-18 10:43:26 | |
 0000935494-11-000009-xbrl.zip | 93222 | 2011-02-18 10:43:26 |
| d123110.htm | 2288074 | 2011-02-18 10:43:26 |
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| ex31_2.htm | 17495 | 2011-02-18 10:43:26 |
| ex32_1.htm | 9470 | 2011-02-18 10:43:26 |
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| nati-20101231_cal.xml | 44215 | 2011-02-18 10:43:26 |
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| R1.xml | 97951 | 2011-02-18 10:43:26 |
| R10.xml | 143330 | 2011-02-18 10:43:26 |
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| R2.xml | 28403 | 2011-02-18 10:43:26 |
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| R21.xml | 29583 | 2011-02-18 10:43:26 |
| R22.xml | 9528 | 2011-02-18 10:43:26 |
| R23.xml | 8543 | 2011-02-18 10:43:26 |
| R24.xml | 37996 | 2011-02-18 10:43:26 |
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| R5.xml | 16615 | 2011-02-18 10:43:26 |
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| R8.xml | 189622 | 2011-02-18 10:43:26 |
| R9.xml | 159797 | 2011-02-18 10:43:26 |