Grundopit K is a new device that uses steerable directional drilling and keyhole coring and suction excavation techniques in combination. Using this method it is possible to accuratley drill and install ducting and pipework from a 24" diameter cored keyhole.
- 10 жыл бұрын
Tracto Technik Grundopit K drill
- Рет қаралды 9,232
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