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发明名称
BROAD BAND VARIABLE GAIN AMPLIFIER
摘要
申请公布号
JPH03101406(A)
申请公布日期
1991.04.26
申请号
JP19890238569
申请日期
1989.09.14
申请人
RICOH CO LTD;RICOH RES INST OF GEN ELECTRON
发明人
KANNO TORU
分类号
H03G3/12
主分类号
H03G3/12
代理机构
代理人
主权项
地址
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