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发明名称
摘要
申请公布号
JPH02108387(U)
申请公布日期
1990.08.29
申请号
JP19890017470U
申请日期
1989.02.17
申请人
发明人
分类号
H05K7/20;H05K5/00;H05K7/14;(IPC1-7):H05K7/14
主分类号
H05K7/20
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