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发明名称
摘要
申请公布号
JPS58172560(U)
申请公布日期
1983.11.18
申请号
JP19820070058U
申请日期
1982.05.12
申请人
发明人
分类号
E02F3/40;(IPC1-7):E02F3/81
主分类号
E02F3/40
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