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发明名称
摘要
申请公布号
JP2673599(B2)
申请公布日期
1997.11.05
申请号
JP19900167405
申请日期
1990.06.26
申请人
发明人
分类号
E02F3/85;(IPC1-7):E02F3/85
主分类号
E02F3/85
代理机构
代理人
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地址
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