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发明名称
摘要
申请公布号
JPS53116662(U)
申请公布日期
1978.09.16
申请号
JP19770022006U
申请日期
1977.02.25
申请人
发明人
分类号
G01R31/28;G01R1/04;H05K13/08;(IPC1-7):G01R1/04
主分类号
G01R31/28
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