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发明名称
摘要
申请公布号
JPS54158409(U)
申请公布日期
1979.11.05
申请号
JP19780055356U
申请日期
1978.04.27
申请人
发明人
分类号
E02F3/38;E02F9/14;(IPC1-7):E02F3/38
主分类号
E02F3/38
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