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发明名称
Sensitivity meter
摘要
申请公布号
US2081739(A)
申请公布日期
1937.05.25
申请号
US19350017773
申请日期
1935.04.23
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE
发明人
DISSLER WALTER
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主分类号
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