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发明名称
摘要
申请公布号
JPH0221793(Y2)
申请公布日期
1990.06.12
申请号
JP19830189524U
申请日期
1983.12.08
申请人
发明人
分类号
H03H9/145;H03H3/08;H03H9/25;(IPC1-7):H03H9/25
主分类号
H03H9/145
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