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发明名称
摘要
申请公布号
JPH066554(Y2)
申请公布日期
1994.02.16
申请号
JP19900093974U
申请日期
1990.09.10
申请人
发明人
分类号
H05K7/20;(IPC1-7):H05K7/20
主分类号
H05K7/20
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