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| 0000051644-16-000051-index.html | 2016-02-16 17:00:24 | |
| 0000051644-16-000051.txt | 2016-02-16 17:00:24 | |
| ipgq42015transcript8-k.htm | 25393 | 2016-02-16 17:00:24 |
| ipgq42015transcriptex991.htm | 303368 | 2016-02-16 17:00:24 |