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发明名称
摘要
申请公布号
JPS5499689(U)
申请公布日期
1979.07.13
申请号
JP19770175442U
申请日期
1977.12.23
申请人
发明人
分类号
G01N25/04;G01N33/44;(IPC1-7):G01N25/04
主分类号
G01N25/04
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