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发明名称
Electrical measuring system
摘要
申请公布号
US2178074(A)
申请公布日期
1939.10.31
申请号
US19360104909
申请日期
1936.10.09
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
JAKEL PAUL;MUTH HERBERT
分类号
G01R13/20
主分类号
G01R13/20
代理机构
代理人
主权项
地址
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