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发明名称
摘要
申请公布号
JPS5520467(B2)
申请公布日期
1980.06.03
申请号
JP19740078083
申请日期
1974.07.08
申请人
发明人
分类号
G01R31/26;H02M7/06
主分类号
G01R31/26
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代理人
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