Rail flaw detection device
作者： Norman G Branson
DOI:
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摘要:
lens.org 参考文章(3)
Wesley S Erwin, Supersonic measuring means ,(1944)
Barnes Walter C, Keevil Henry W, Dionne John C, Flaw detecting method and apparatus for ferromagnetic bodies ,(1944)
Walter C Barnes, Henry W Keevil, Method and apparatus for detecting flaws in rails ,(1940)