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发明名称
摘要
申请公布号
JPS56175744(U)
申请公布日期
1981.12.25
申请号
JP19800075117U
申请日期
1980.05.30
申请人
发明人
分类号
G01N21/77;G01N1/24;G01N21/78;(IPC1-7):G01N1/24
主分类号
G01N21/77
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