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Application filed by Christensen Inc NortonfiledCriticalChristensen Inc Norton
Priority to DK29178ApriorityCriticalpatent/DK150747C/da
Publication of DK29178ApublicationCriticalpatent/DK29178A/da
Publication of DK150747BpublicationCriticalpatent/DK150747B/da
Application grantedgrantedCritical
Publication of DK150747CpublicationCriticalpatent/DK150747C/da
Apparecchiatura perfezionata per ricevere e interpretare segnali di dati di telemisura inviati alla superficie in un impianto di prospezione durante la trivellazione di fori o pozzi.