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| 0001487952-15-000035-index.html | 2015-08-04 07:13:51 | |
| 0001487952-15-000035.txt | 2015-08-04 07:13:51 | |
| vpg-20150804x8k.htm | 27001 | 2015-08-04 07:13:51 |
| vpg-20150804x8kxex991.htm | 16049 | 2015-08-04 07:13:51 |