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| CustID | InvDate | InvNumber |
|---|---|---|
| 1 | 2020-04-07 | IV644 |
| 2 | 2020-06-13 | IV869 |
| 3 | 2020-03-29 | IV436 |
| 4 | null | null |
| 5 | null | null |
| CustID | InvDate | InvNumber |
|---|---|---|
| 1 | 2020-04-07 | IV644 |
| 2 | 2020-06-13 | IV869 |
| 3 | 2020-03-29 | IV436 |
| 4 | null | null |
| 5 | null | null |