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发明名称
摘要
申请公布号
JPS627713(Y2)
申请公布日期
1987.02.23
申请号
JP19810050116U
申请日期
1981.04.07
申请人
发明人
分类号
E02F3/36;E02F3/96;(IPC1-7):E02F3/36
主分类号
E02F3/36
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代理人
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