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发明名称
ULTRASONIC WAVE CRACK FINDER OF ROTATING TYPE FOR ELECTRIC WELDED TUBE
摘要
申请公布号
JPS5635056(A)
申请公布日期
1981.04.07
申请号
JP19790110716
申请日期
1979.08.30
申请人
NIPPON STEEL CORP
发明人
MATSUZANE TOSHIYUKI
分类号
G01N29/04
主分类号
G01N29/04
代理机构
代理人
主权项
地址
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