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发明名称
(A) ;APPARATUS AND METHOD OF ULTRASONIC FLAW DETECTION
摘要
申请公布号
JPS5720660(B2)
申请公布日期
1982.04.30
申请号
JP19750045891
申请日期
1975.04.17
申请人
发明人
分类号
H01J23/20;H01J23/207;H01J25/50
主分类号
H01J23/20
代理机构
代理人
主权项
地址
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