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Priority to JP1976131503UpriorityCriticalpatent/JPS5817253Y2/ja
Publication of JPS5348686UpublicationCriticalpatent/JPS5348686U/ja
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Publication of JPS5817253Y2publicationCriticalpatent/JPS5817253Y2/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