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发明名称
摘要
申请公布号
JPH0647967(Y2)
申请公布日期
1994.12.07
申请号
JP19900030026U
申请日期
1990.03.24
申请人
发明人
分类号
E02D5/80;(IPC1-7):E02D5/80
主分类号
E02D5/80
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代理人
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