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经营范围
发明名称
Bipolar impedance transformer circuit
摘要
申请公布号
GB9821144(D0)
申请公布日期
1998.11.25
申请号
GB19980021144
申请日期
1998.09.29
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
分类号
H03F3/50
主分类号
H03F3/50
代理机构
代理人
主权项
地址
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