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发明名称
摘要
申请公布号
JPS5112323(B2)
申请公布日期
1976.04.19
申请号
JP19720095402
申请日期
1972.09.22
申请人
发明人
分类号
E02D23/00;E02D23/02;E02D27/38;E02D27/52;(IPC1-7):E02D27/52
主分类号
E02D23/00
代理机构
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