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经营范围
发明名称
Fault finding bridge
摘要
申请公布号
US2176759(A)
申请公布日期
1939.10.17
申请号
US19380199631
申请日期
1938.04.02
申请人
BORDEN STEPHEN W
发明人
BORDEN STEPHEN W.
分类号
G01R31/08
主分类号
G01R31/08
代理机构
代理人
主权项
地址
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