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reverse circulation drilling
geol.
Bohren mit Umkehrspülung
;
Rotationsspülbohrung
f
reverse-circulation drilling
mining.
Counterflush-Bohren
f
;
Counterflush-Verfahren
f
;
Bohren mit Verkehrtspülung
(Gegenstromspülung)
;
Gegenstrombohren
n
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