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发明名称
Method and apparatus for testing metals for defects
摘要
申请公布号
US2065118(A)
申请公布日期
1936.12.22
申请号
US19320628677
申请日期
1932.08.13
申请人
STEEL AND TUBES, INC.
发明人
JR. ARCHIBALD H. DAVIS,
分类号
G01N27/90
主分类号
G01N27/90
代理机构
代理人
主权项
地址
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