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Pieri; Giovanni
Palermo, IT
No. of patents:

Patent Number Title Of Patent Date Issued
8123441 Method and apparatus for carrying out deep holes and/or bottle-boring February 28, 2012
A method for carrying out deep holes and/or bottle-boring, in particular borings, with a high ratio between final linear depth and hole diameter, higher than 14:1, comprises the steps of: carrying out a reference hole, having axis and diameter linked to the deep hole to be carried out by

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