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发明名称
摘要
申请公布号
JP2570878(B2)
申请公布日期
1997.01.16
申请号
JP19900024110
申请日期
1990.02.01
申请人
NIPPON ELECTRIC CO
发明人
WAKAMATSU SHIGEMI
分类号
H03F3/24;H03F3/189;(IPC1-7):H03F3/24
主分类号
H03F3/24
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代理人
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