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| 0000045876-17-000056-index.html | 2017-05-03 14:34:57 | |
| 0000045876-17-000056.txt | 2017-05-03 14:34:57 | |
 0000045876-17-000056-xbrl.zip | 216234 | 2017-05-03 14:34:57 |
| FilingSummary.xml | 35074 | 2017-05-03 14:34:57 |
| Financial_Report.xlsx | 72692 | 2017-05-03 14:34:57 |
| hsc-20170331.xml | 1894977 | 2017-05-03 14:34:57 |
| hsc-20170331.xsd | 44312 | 2017-05-03 14:34:57 |
| hsc-20170331_cal.xml | 99708 | 2017-05-03 14:34:57 |
| hsc-20170331_def.xml | 227492 | 2017-05-03 14:34:57 |
| hsc-20170331_lab.xml | 686176 | 2017-05-03 14:34:57 |
| hsc-20170331_pre.xml | 393253 | 2017-05-03 14:34:57 |
| hsc-3312017_10q.htm | 1387152 | 2017-05-03 14:34:57 |
| hsc-ex311_2017q1.htm | 12613 | 2017-05-03 14:34:57 |
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| hsc-ex32_2017q1.htm | 6797 | 2017-05-03 14:34:57 |
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| report.css | 2767 | 2017-05-03 14:34:57 |
| Show.js | 1410 | 2017-05-03 14:34:57 |