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经营范围
发明名称
Tube testing apparatus
摘要
申请公布号
US2617291(A)
申请公布日期
1952.11.11
申请号
US19470782084
申请日期
1947.10.25
申请人
UNITED ENGINEERING & FOUNDRY COMPANY
发明人
GRAU HERMAN E.
分类号
G01M3/28
主分类号
G01M3/28
代理机构
代理人
主权项
地址
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