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经营范围
发明名称
DIFFERENZVERSTAERKER
摘要
申请公布号
AT363519(B)
申请公布日期
1981.08.10
申请号
AT19750005383
申请日期
1975.07.11
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
分类号
H03F3/45;H03F3/30;H03F3/345;(IPC1-7):H03F3/45
主分类号
H03F3/45
代理机构
代理人
主权项
地址
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