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发明名称
摘要
申请公布号
JPH0648978(Y2)
申请公布日期
1994.12.12
申请号
JP19890030919U
申请日期
1989.03.20
申请人
发明人
分类号
H03G1/02;H03G3/02;(IPC1-7):H03G1/02
主分类号
H03G1/02
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代理人
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