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| 0000008858-19-000030-index.html | 2019-08-08 16:07:14 | |
| 0000008858-19-000030.txt | 2019-08-08 16:07:14 | |
| avt-20190808ex9917f952a.htm | 1964079 | 2019-08-08 16:07:14 |
| avt-20190808x8k.htm | 42132 | 2019-08-08 16:07:14 |
 avt20190808ex9917f952a001.jpg | 65204 | 2019-08-08 16:07:14 |