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发明名称
Electrical measuring circuit
摘要
申请公布号
US2162874(A)
申请公布日期
1939.06.20
申请号
US19370162113
申请日期
1937.09.02
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
WURMSER ALPHONS V.
分类号
G01R21/00
主分类号
G01R21/00
代理机构
代理人
主权项
地址
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