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发明名称
摘要
申请公布号
JPS57194861(U)
申请公布日期
1982.12.10
申请号
JP19810083192U
申请日期
1981.06.08
申请人
发明人
分类号
B61C17/00;B61C3/00;H05K5/00;H05K5/02;(IPC1-7):B61C3/00
主分类号
B61C17/00
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