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经营范围
发明名称
COUNTER CIRCUIT
摘要
申请公布号
JPH03247118(A)
申请公布日期
1991.11.05
申请号
JP19900046092
申请日期
1990.02.26
申请人
NEC CORP
发明人
FUJIWARA HISASHI
分类号
H03K23/66
主分类号
H03K23/66
代理机构
代理人
主权项
地址
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