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发明名称
Electrical measuring system
摘要
申请公布号
US2047782(A)
申请公布日期
1936.07.14
申请号
US19350021414
申请日期
1935.05.14
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JENSEN AXEL G.
分类号
G01R25/00
主分类号
G01R25/00
代理机构
代理人
主权项
地址
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