Hole enlargement drilling device and methods for using same
TREVIRANUS JOACHIM, OPPELAAR HANS-ROBERT, HERBERG WOLFGANG EDUARD, MEISTER MATTHIAS, FREYER CARSTEN, BOTHMAN GUNNAR
Year of Publication 04.11.2014
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Year of Publication 04.11.2014
Patent
Hole Enlargement Drilling Device and Methods for Using Same
TREVIRANUS JOACHIM, OPPELAAR HANS-ROBERT, HERBERG WOLFGANG EDUARD, MEISTER MATTHIAS, FREYER CARSTEN, BOTHMAN GUNNAR
Year of Publication 10.06.2010
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Year of Publication 10.06.2010
Patent