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发明名称
摘要
申请公布号
JPH02150548(U)
申请公布日期
1990.12.26
申请号
JP19890058662U
申请日期
1989.05.23
申请人
发明人
分类号
G01N1/00;G01N1/10;G01N21/27;(IPC1-7):G01N1/10
主分类号
G01N1/00
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