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Pierre-Jean Debreuille
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Paris, FR
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last 30 patents
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Patent Grant
Process and device for casing a borehole for the measurement of the...
Patent number
4,662,442
Issue date
May 5, 1987
Telemac
Pierre-Jean Debreuille
E21 - EARTH DRILLING MINING
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Patent Grant
Device for the precise measurement of movements or deformations
Patent number
4,255,975
Issue date
Mar 17, 1981
Coyne et Bellier, Bureau 'Ingenieurs Conseils
Pierre-Jean Debreuille
E21 - EARTH DRILLING MINING