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经营范围
发明名称
SIGNAL CONVERTER
摘要
申请公布号
JPS6429023(A)
申请公布日期
1989.01.31
申请号
JP19870185093
申请日期
1987.07.23
申请人
NEC CORP
发明人
HAGI KAZUO
分类号
H03M1/10
主分类号
H03M1/10
代理机构
代理人
主权项
地址
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