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发明名称
摘要
申请公布号
JPH0478538(U)
申请公布日期
1992.07.08
申请号
JP19900121145U
申请日期
1990.11.19
申请人
发明人
分类号
G01N1/22;G01N1/24;(IPC1-7):G01N1/22
主分类号
G01N1/22
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