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发明名称
摘要
申请公布号
JPS5923096(Y2)
申请公布日期
1984.07.10
申请号
JP19780057982U
申请日期
1978.04.28
申请人
发明人
分类号
E02F3/40;E02F5/00;E02F5/22;E02F9/28;(IPC1-7):E02F3/40
主分类号
E02F3/40
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