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发明名称
摘要
申请公布号
JPH0735660(B2)
申请公布日期
1995.04.19
申请号
JP19880323973
申请日期
1988.12.22
申请人
发明人
分类号
E02F3/47;E02F3/88;(IPC1-7):E02F3/47
主分类号
E02F3/47
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