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发明名称
摘要
申请公布号
JPS5012673(U)
申请公布日期
1975.02.08
申请号
JP19730063312U
申请日期
1973.05.31
申请人
发明人
分类号
H03H9/17;(IPC1-7):H03H9/04
主分类号
H03H9/17
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代理人
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