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经营范围
发明名称
Tube tester
摘要
申请公布号
US2881385(A)
申请公布日期
1959.04.07
申请号
US19530351355
申请日期
1953.04.27
申请人
DEAN SMITH ALLAN
发明人
SMITH ALLAN DEAN
分类号
G01R31/25
主分类号
G01R31/25
代理机构
代理人
主权项
地址
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