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| 0000031791-19-000003-index.html | 2019-02-26 15:48:56 | |
| 0000031791-19-000003.txt | 2019-02-26 15:48:56 | |
 0000031791-19-000003-xbrl.zip | 649110 | 2019-02-26 15:48:56 |
| a201810kcert-ex_311.htm | 15989 | 2019-02-26 15:48:56 |
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| pki-20181230.xml | 6515711 | 2019-02-26 15:48:56 |
| pki-20181230.xsd | 131365 | 2019-02-26 15:48:56 |
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| report.css | 2768 | 2019-02-26 15:48:56 |
| Show.js | 1086 | 2019-02-26 15:48:56 |