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发明名称
Signaling
摘要
申请公布号
US1911091(A)
申请公布日期
1933.05.23
申请号
US19290389929
申请日期
1929.09.03
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
SCHRIEVER OTTO
分类号
H04J9/00
主分类号
H04J9/00
代理机构
代理人
主权项
地址
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