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| 0001037390-20-000065-index.html | 2020-08-28 09:36:17 | |
| 0001037390-20-000065.txt | 2020-08-28 09:36:17 | |
| grif-20200828ex101dd088b.htm | 294943 | 2020-08-28 09:36:17 |
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| grif-20200828x8k.htm | 61558 | 2020-08-28 09:36:17 |