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发明名称
摘要
申请公布号
JPH0285355(U)
申请公布日期
1990.07.04
申请号
JP19880163956U
申请日期
1988.12.20
申请人
发明人
分类号
G01N21/77;(IPC1-7):G01N21/77
主分类号
G01N21/77
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