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经营范围
发明名称
Apparatus for voltage measurements
摘要
申请公布号
US2149451(A)
申请公布日期
1939.03.07
申请号
US19360106548
申请日期
1936.10.20
申请人
RADIO CORPORATION
发明人
LENT WORTHINGTON C.
分类号
G01R29/06
主分类号
G01R29/06
代理机构
代理人
主权项
地址
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