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经营范围
发明名称
EQUALIZING AMPLIFIER
摘要
申请公布号
JPH01174919(A)
申请公布日期
1989.07.11
申请号
JP19870336021
申请日期
1987.12.29
申请人
NEC CORP
发明人
SUZAKI TETSUYUKI
分类号
G01J1/44;H03F3/19;H04B3/14
主分类号
G01J1/44
代理机构
代理人
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地址
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