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| 0000086115-16-000235-index.html | 2016-07-29 10:06:57 | |
| 0000086115-16-000235.txt | 2016-07-29 10:06:57 | |
 0000086115-16-000235-xbrl.zip | 135081 | 2016-07-29 10:06:57 |
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| report.css | 2767 | 2016-07-29 10:06:57 |
| sfe-20160630.xml | 961189 | 2016-07-29 10:06:57 |
| sfe-20160630.xsd | 38989 | 2016-07-29 10:06:57 |
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| sfe-2016xq2.htm | 856942 | 2016-07-29 10:06:57 |
| sfe-2016xq2xex311.htm | 22946 | 2016-07-29 10:06:57 |
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| Show.js | 1410 | 2016-07-29 10:06:57 |