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发明名称
Phase displacement detector
摘要
申请公布号
US2183260(A)
申请公布日期
1939.12.12
申请号
US19370137164
申请日期
1937.04.16
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
HOFER RUDOLF
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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