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22 magg 1933 anni - Howard Hughes/drill bit.

Descrizione:

The company was established in December 1908[1] as Sharp-Hughes Tool Company when Howard R. Hughes Sr. patented a roller cutter bit that dramatically improved the rotary drilling process for oil drilling rigs

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ByJaylen Soto
9 mar 2018
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0
191

Data:

22 magg 1933 anni
Adesso
~ 91 years ago
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