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 0000066570-20-000013-index-headers.html | 2020-04-29 17:35:36 | |
| 0000066570-20-000013-index.html | 2020-04-29 17:35:36 | |
| 0000066570-20-000013.txt | 2020-04-29 17:35:36 | |
 0000066570-20-000013-xbrl.zip | 36378 | 2020-04-29 17:35:36 |
| a1q2020pressrelease8-k.htm | 47258 | 2020-04-29 17:35:36 |
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 a8kimage1a09.jpg | 7880 | 2020-04-29 17:35:36 |
| exhibit9911q2020earnin.htm | 365361 | 2020-04-29 17:35:36 |
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| Financial_Report.xlsx | 5794 | 2020-04-29 17:35:36 |
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| msa-20200429.xsd | 4467 | 2020-04-29 17:35:36 |
| msa-20200429_cal.xml | 645 | 2020-04-29 17:35:36 |
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 msa01.jpg | 7593 | 2020-04-29 17:35:36 |
| R1.htm | 38621 | 2020-04-29 17:35:36 |
| report.css | 2767 | 2020-04-29 17:35:36 |
| Show.js | 1085 | 2020-04-29 17:35:36 |