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发明名称
摘要
申请公布号
JP3052015(B2)
申请公布日期
2000.06.12
申请号
JP19910355639
申请日期
1991.12.24
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发明人
分类号
E02D17/20;(IPC1-7):E02D17/20
主分类号
E02D17/20
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