发明名称 Method of manufacturing a magnetic field sensitivity indicator apparatus for evaluating magnetic fields in parts during magnetic particle inspection
摘要 The method of manufacture and use of a magnetic field sensitivity indicator apparatus for evaluating magnetic fields applied to ferromagnetic material parts during magnetic particle inspection utilizing known defect indicators to establish the strength and direction of magnetic fields in the parts under test.
申请公布号 US4172315(A) 申请公布日期 1979.10.30
申请号 US19780886307 申请日期 1978.03.13
申请人 U S OF AMERICA AIR FORCE SECRETARY 发明人 MARSH, GILBERT L
分类号 G01N27/84;G01R33/10;(IPC1-7):G01R3/00;G01R33/12 主分类号 G01N27/84
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