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发明名称
摘要
申请公布号
JPH0224367(U)
申请公布日期
1990.02.19
申请号
JP19880101319U
申请日期
1988.07.30
申请人
发明人
分类号
G01N21/47;(IPC1-7):G01N21/47
主分类号
G01N21/47
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