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发明名称
摘要
申请公布号
JPS59168064(U)
申请公布日期
1984.11.10
申请号
JP19830062095U
申请日期
1983.04.27
申请人
发明人
分类号
E02F9/00;F16J15/18;(IPC1-7):F16J15/18
主分类号
E02F9/00
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