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发明名称
Fault detector
摘要
申请公布号
US2651021(A)
申请公布日期
1953.09.01
申请号
US19510222004
申请日期
1951.04.20
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JR. JAMES B. HAYS,
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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