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发明名称
摘要
申请公布号
JPS5237989(U)
申请公布日期
1977.03.17
申请号
JP19750124580U
申请日期
1975.09.09
申请人
发明人
分类号
G01N27/90;(IPC1-7):G01N27/86
主分类号
G01N27/90
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