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发明名称
摘要
申请公布号
JPH047359(U)
申请公布日期
1992.01.23
申请号
JP19900047002U
申请日期
1990.05.02
申请人
发明人
分类号
G01N27/12;G01N27/04;G01N27/22;(IPC1-7):G01N27/04
主分类号
G01N27/12
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代理人
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