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发明名称
摘要
申请公布号
JPH0490941(U)
申请公布日期
1992.08.07
申请号
JP19900401302U
申请日期
1990.12.21
申请人
发明人
分类号
G01N1/04;(IPC1-7):G01N1/04
主分类号
G01N1/04
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