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发明名称
摘要
申请公布号
JPS62198719(U)
申请公布日期
1987.12.17
申请号
JP19870075217U
申请日期
1987.05.21
申请人
发明人
分类号
H03H9/25;H03H9/64;(IPC1-7):H03H9/25
主分类号
H03H9/25
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