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发明名称
摘要
申请公布号
JPH0444731(U)
申请公布日期
1992.04.16
申请号
JP19900087305U
申请日期
1990.08.21
申请人
发明人
分类号
H03H9/05;H03H9/17;(IPC1-7):H03H9/17
主分类号
H03H9/05
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代理人
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