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发明名称
Modulating arrangement for transmitter tubes
摘要
申请公布号
US1868034(A)
申请公布日期
1932.07.19
申请号
US19290337776
申请日期
1929.02.06
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
URTEL RUDOLF
分类号
H03C1/22
主分类号
H03C1/22
代理机构
代理人
主权项
地址
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