Discussion on calibration method of direct current magnetic flux leakage flaw detector for steel pipe testing
QI Yinghao, WANG Yongfeng, XIA Peng, ZHAO Jiulai, TIAN Jiaqi
Physics Examination and Testing . 2026, (3): 36 -39 .  DOI: 10.13228/j.boyuan.issn1001-0777.20250018

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