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发明名称
摘要
申请公布号
JPH0454452(Y2)
申请公布日期
1992.12.21
申请号
JP19870010514U
申请日期
1987.01.27
申请人
发明人
分类号
G01N33/493;E03D9/00;(IPC1-7):G01N33/493
主分类号
G01N33/493
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