drill steel /ENERGY-MINING,ENG-MECHANICAL/
[DE] Bohrstahl; Stahlbohrer
[EN] drill steel
[FR] fleuret tout d' une pièce
drill steel,drill-rod /ENERGY-MINING,ENG-MECHANICAL/
[DE] Bohrer fuer den Grubenbetrieb; Grubenbohrer
[EN] drill steel; drill-rod
[FR] fleurets de mines