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发明名称
EVALUATION METHOD AND DEVICE FOR SPOT WELDED PORTION BY ULTRASONIC WAVE
摘要
申请公布号
EP1801576(A4)
申请公布日期
2012.05.02
申请号
EP20050782126
申请日期
2005.08.31
申请人
JFE STEEL CORPORATION
发明人
TAKADA, HAJIME
分类号
G01N29/04;G01N29/11
主分类号
G01N29/04
代理机构
代理人
主权项
地址
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