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Priority claimed from DE19803033990external-prioritypatent/DE3033990A1/en
Application filed by Gewertec GmbhfiledCriticalGewertec Gmbh
Priority claimed from EP81902643Aexternal-prioritypatent/EP0059745B1/en
Application grantedgrantedCritical
Publication of ATE16854T1publicationCriticalpatent/ATE16854T1/en
Sound-emission locator and analyser for non-destructive testing - has test head containing acousto-electric transducers to determine direction of incident sound pulses