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发明名称
摘要
申请公布号
JPS5432325(Y2)
申请公布日期
1979.10.08
申请号
JP19740056328U
申请日期
1974.05.20
申请人
发明人
分类号
E02D5/18;E02D5/20;E02D15/02;(IPC1-7):E02D5/18
主分类号
E02D5/18
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