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发明名称
Apparatus for locating open circuit faults in electrical circuits
摘要
申请公布号
US2493524(A)
申请公布日期
1950.01.03
申请号
US19450577257
申请日期
1945.02.10
申请人
OTIS ELEVATOR COMPANY
发明人
BRUNS WILLIAM HENRY
分类号
G01R31/08
主分类号
G01R31/08
代理机构
代理人
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地址
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