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| 0000076282-19-000096-index.html | 2019-08-08 14:14:33 | |
| 0000076282-19-000096.txt | 2019-08-08 14:14:33 | |
 0000076282-19-000096-xbrl.zip | 175071 | 2019-08-08 14:14:33 |
| FilingSummary.xml | 35612 | 2019-08-08 14:14:33 |
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| pkoh20190630-ex311.htm | 12958 | 2019-08-08 14:14:33 |
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| report.css | 2767 | 2019-08-08 14:14:33 |
| Show.js | 1085 | 2019-08-08 14:14:33 |