History of Topmark
| Element | Description | Element Code | Essential | Uniclass 2015 | Updates |
|---|---|---|---|---|---|
| Topmark | An object on the top of a structure that aids identification of the structure | TMK | No | 25-02-2020 | |
| 27-04-2021 | |||||
| Topmark | An object on the top of a structure that aids identification of the structure. | TMK | No | Pr_40_10_77_87 | 27-04-2021 |
| Topmark | An object on the top of a structure that aids identification of the structure. | TMK | No | Pr_40_10_77_87 | 11-04-2023 |