Supersonic test device
作者： Robert A Mcconnell
DOI:
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摘要:
lens.org 参考文章(5)
Wilford E Morris, Method and apparatus for ultrasonic testing ,(1942)
Floyd A Firestone, Flaw detecting device and measuring instrument ,(1940)
Gunn Ross, Apparatus and method for studying wave propagation ,(1941)
Warren Samsel Richard, Berry Theodore M, Supersonic testing apparatus ,(1944)
Jr Howard T Hallowell, Means for testing metals ,(1932)