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Udo Harer
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Straubenhardt, DE
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last 30 patents
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Patent Grant
Overdrilling apparatus
Patent number
7,963,723
Issue date
Jun 21, 2011
Tracto-Technik GmbH
Dieter Wurm
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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last 30 patents
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Patent Application
OVERDRILLING APPARATUS
Publication number
20070119283
Publication date
May 31, 2007
Tracto-Technik GmbH
DIETER WURM
E21 - EARTH DRILLING MINING