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发明名称
摘要
申请公布号
JPH0550343(U)
申请公布日期
1993.07.02
申请号
JP19910109305U
申请日期
1991.12.11
申请人
发明人
分类号
G01N1/28;G01N33/48;(IPC1-7):G01N1/28
主分类号
G01N1/28
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