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摘要
申请公布号
US1902894(A)
申请公布日期
1933.03.28
申请号
US19290407097
申请日期
1929.11.14
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
RECHNITZER RUDOLF
分类号
H04B1/16
主分类号
H04B1/16
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