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| 0000763563-18-000096-index.html | 2018-10-31 17:01:41 | |
| 0000763563-18-000096.txt | 2018-10-31 17:01:41 | |
 0000763563-18-000096-xbrl.zip | 404587 | 2018-10-31 17:01:41 |
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| chmg-20180930.xml | 6696113 | 2018-10-31 17:01:41 |
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| Financial_Report.xlsx | 112910 | 2018-10-31 17:01:41 |
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| report.css | 2767 | 2018-10-31 17:01:41 |
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