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发明名称
摘要
申请公布号
JPH0445955(U)
申请公布日期
1992.04.20
申请号
JP19900088225U
申请日期
1990.08.23
申请人
发明人
分类号
G01N21/59;(IPC1-7):G01N21/59
主分类号
G01N21/59
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代理人
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