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发明名称
摘要
申请公布号
JPS63151554(U)
申请公布日期
1988.10.05
申请号
JP19870041933U
申请日期
1987.03.19
申请人
发明人
分类号
E02F3/43;E02F9/20;(IPC1-7):E02F3/43
主分类号
E02F3/43
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