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发明名称
Method and means for detecting cracks in ferro-magnetic bodies
摘要
申请公布号
GB782074(A)
申请公布日期
1957.08.28
申请号
GB19540008759
申请日期
1954.03.25
申请人
EVA ELLEN BARTLETT
发明人
分类号
G01N27/84
主分类号
G01N27/84
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代理人
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