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经营范围
发明名称
DIFFERENTIAL AMPLIFIER
摘要
申请公布号
SU1497716(A1)
申请公布日期
1989.07.30
申请号
SU19874351680
申请日期
1987.12.28
申请人
MO N-PROIZV OB "IZMERITEL"
发明人
FELDBERG ROMAN M,SU
分类号
H03F3/45
主分类号
H03F3/45
代理机构
代理人
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地址
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