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|---|---|---|
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| 0000895126-13-000136-index.html | 2013-04-19 16:33:30 | |
| 0000895126-13-000136.txt | 2013-04-19 16:33:30 | |
 chk.jpg | 9982 | 2013-04-19 16:33:30 |
| chk04192013_101.htm | 129933 | 2013-04-19 16:33:30 |
| chk04192013_102.htm | 88570 | 2013-04-19 16:33:30 |
| chk04192013_103.htm | 33051 | 2013-04-19 16:33:30 |
| chk04192013_8k.htm | 38123 | 2013-04-19 16:33:30 |
| chk04192013_991.htm | 23528 | 2013-04-19 16:33:30 |