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发明名称
摘要
申请公布号
JPS54175103(U)
申请公布日期
1979.12.11
申请号
JP19780072337U
申请日期
1978.05.30
申请人
发明人
分类号
E02F3/34;(IPC1-7):E02F3/70
主分类号
E02F3/34
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