 |
| |||
| supplemental control | |||
| ground control point; network point; point of control; topo beacon; fixed point | |||
| control point; control survey point; topobeacon | |||
|
опознак : 4 Phrasen in 1 Thematik |
| Bauwesen | 4 |
|
| |||
| supplemental control | |||
| ground control point; network point; point of control; topo beacon; fixed point | |||
| control point; control survey point; topobeacon | |||
|
опознак : 4 Phrasen in 1 Thematik |
| Bauwesen | 4 |