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经营范围
发明名称
SWITCHING CIRCUIT
摘要
申请公布号
GB8502983(D0)
申请公布日期
1985.03.06
申请号
GB19850002983
申请日期
1985.02.06
申请人
HITACHI LTD
发明人
分类号
H03K19/0175;H03K17/04;H03K17/60;H03K19/0944
主分类号
H03K19/0175
代理机构
代理人
主权项
地址
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