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发明名称
摘要
申请公布号
JPS557889(Y2)
申请公布日期
1980.02.21
申请号
JP19710011383U
申请日期
1971.02.26
申请人
发明人
分类号
G01R33/32;G01R33/31;(IPC1-7):G01N24/04
主分类号
G01R33/32
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