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Priority claimed from US06/197,955external-prioritypatent/US4361031A/en
Application filed by Emhart IndfiledCriticalEmhart Ind
Publication of MX5872EpublicationCriticalpatent/MX5872E/es
MX10135381U1980-10-171981-07-24Mejoras en dispositivo electronico de percepcion para deteccion directa de hidrocarburos en aguas subterraneas
MX5872E
(es)