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经营范围
发明名称
Modulation circuit
摘要
申请公布号
US2169019(A)
申请公布日期
1939.08.08
申请号
US19320678213
申请日期
1932.06.29
申请人
GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
BOHM OTTO;HOFER RUDOLF
分类号
H03C1/62
主分类号
H03C1/62
代理机构
代理人
主权项
地址
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