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发明名称
摘要
申请公布号
JPS6011984(Y2)
申请公布日期
1985.04.19
申请号
JP19790082380U
申请日期
1979.06.16
申请人
发明人
分类号
E02F3/407;A01B77/00;(IPC1-7):E02F3/407
主分类号
E02F3/407
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