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经营范围
发明名称
SEMICONDUCTOR SWITCHING CIRCUITS
摘要
申请公布号
GB1572655(A)
申请公布日期
1980.07.30
申请号
GB19770008053
申请日期
1977.02.25
申请人
SIEMENS AG
发明人
分类号
H03K17/74;(IPC1-7):H03K17/74
主分类号
H03K17/74
代理机构
代理人
主权项
地址
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