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| 0000081061-18-000021-index.html | 2018-05-01 17:02:12 | |
| 0000081061-18-000021.txt | 2018-05-01 17:02:12 | |
| a8-k1q2018earningsmay12018.htm | 41042 | 2018-05-01 17:02:12 |
| exhibit9911q2018earningsre.htm | 19578 | 2018-05-01 17:02:12 |