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Inventor
MITJANS BERANGER
FR
2 patents
Patents
2 patents
US9325084B2
Apr 26, 2016
Annular coupler for drill stem component
MITJANS BERANGER
2 citations
46
US9441418B2
Sep 13, 2016
Drill stem component comprising a movable coupler and a pressure chamber
MITJANS BERANGER
1 citations
37