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发明名称
摘要
申请公布号
JPH03119751(U)
申请公布日期
1991.12.10
申请号
JP19900028853U
申请日期
1990.03.20
申请人
发明人
分类号
G01N21/3554;(IPC1-7):G01N21/35
主分类号
G01N21/3554
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代理人
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