Bohrturm /ENERGY-MINING/
[DE] Bohrturm
[EN] well drilling derrick
[FR] chevalement de sondage; derrick
Bohrturm /ENERGY-OIL/
[DE] Bohrturm
[EN] boring tower
[FR] tour de forage
Bohrturm /ENG-MECHANICAL/
[DE] Bohrturm
[EN] gravity tower
[FR] tour gravitaire
Bohrturm,Derrick /ENG-MECHANICAL/
[DE] Bohrturm; Derrick
[EN] guy derrick; pole derrick
[FR] derrick