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发明名称
摘要
申请公布号
JPH02120920(U)
申请公布日期
1990.10.01
申请号
JP19890029900U
申请日期
1989.03.15
申请人
发明人
分类号
H03H9/02;(IPC1-7):H03H9/02
主分类号
H03H9/02
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代理人
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