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发明名称
GAIN CONTROL UNIT
摘要
申请公布号
JPS54147761(A)
申请公布日期
1979.11.19
申请号
JP19780055564
申请日期
1978.05.12
申请人
HITACHI LTD
发明人
INOUE SHIGEKI
分类号
H03G3/12;H03G1/00
主分类号
H03G3/12
代理机构
代理人
主权项
地址
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