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经营范围
发明名称
MULTIPLYING CIRCUIT
摘要
申请公布号
JPH02181505(A)
申请公布日期
1990.07.16
申请号
JP19890000520
申请日期
1989.01.06
申请人
NEC CORP
发明人
TAJIMA TSUTOMU
分类号
H03B19/16
主分类号
H03B19/16
代理机构
代理人
主权项
地址
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