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Patents Grants
last 30 patents
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Patent Grant
Driving head for telescopic drill rods and machine comprising said...
Patent number
9,562,391
Issue date
Feb 7, 2017
I.M.T. INTERNATIONAL S.P.A.
Marcello Pennacchioli
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
DRIVING HEAD FOR TELESCOPIC DRILL RODS AND MACHINE COMPRISING SAID...
Publication number
20140138113
Publication date
May 22, 2014
I.M.T. INTERNATIONAL S.P.A.
Marcello Pennacchioli
E21 - EARTH DRILLING MINING