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发明名称
Circuit for measuring voltage of an alternating source
摘要
申请公布号
US2438518(A)
申请公布日期
1948.03.30
申请号
US19440546570
申请日期
1944.07.25
申请人
PHILLIPS PETROLEUM COMPANY
发明人
PIETY RAYMOND G.
分类号
G01V3/24
主分类号
G01V3/24
代理机构
代理人
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地址
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