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发明名称
Method for testing weld joints
摘要
申请公布号
US2318667(A)
申请公布日期
1943.05.11
申请号
US19420432033
申请日期
1942.02.23
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
BRUCE WILLIAM A.
分类号
G01N23/207
主分类号
G01N23/207
代理机构
代理人
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地址
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