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STICHTING WATERBOUWKUNDIG LABORATORIUM
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STICHTING WATERBOUWKUNDIG LABORATORIUM
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Priority claimed from NL6503093Aexternal-prioritypatent/NL152357B/xx
Application filed by STICHTING WATERBOUWKUNDIG LABORATORIUMfiledCriticalSTICHTING WATERBOUWKUNDIG LABORATORIUM
Priority to FR52748ApriorityCriticalpatent/FR89731E/fr
Application grantedgrantedCritical
Publication of FR89731EpublicationCriticalpatent/FR89731E/fr
E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
E21B25/06—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver having a flexible liner or inflatable retaining means
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FR52748A1965-03-111966-03-09Méthode pour prélever un échantillon de sol vicrge, et appareil propre à la mise en oeuvre de celle-ci
ExpiredFR89731E
(fr)
Procédé pour la détermination d'au moins un paramètre d'un échantillon, appareil pour la mise en oeuvre de ce procédé, et application de ce procédé