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发明名称
摘要
申请公布号
JPS5251594(Y2)
申请公布日期
1977.11.22
申请号
JP19710036488U
申请日期
1971.05.08
申请人
发明人
分类号
E02D1/04;G01N1/04;G01N1/08;(IPC1-7):G01N1/08
主分类号
E02D1/04
代理机构
代理人
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