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发明名称
摘要
申请公布号
FR2039235(A1)
申请公布日期
1971.01.15
申请号
FR19700013446
申请日期
1970.04.14
申请人
SIEMENS AG
发明人
分类号
H03K3/57;(IPC1-7):H03B15/00;G01B7/00
主分类号
H03K3/57
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