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Priority to JP1976131504UpriorityCriticalpatent/JPS594284Y2/ja
Publication of JPS5348687UpublicationCriticalpatent/JPS5348687U/ja
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Publication of JPS594284Y2publicationCriticalpatent/JPS594284Y2/ja
Method and apparatus for inspecting a tubular member for inside and outside anomalies utilizing magnetic field detector means positioned on both the inside and outside surfaces
Method and apparatus for inspecting a tubular member for inside and outside anomalies utilizing magnetic field detector means positioned on both the inside and outside surfaces