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发明名称
摘要
申请公布号
JPS6272320(U)
申请公布日期
1987.05.09
申请号
JP19850161797U
申请日期
1985.10.22
申请人
发明人
分类号
E02B3/12;E02D15/00;E02D17/20;(IPC1-7):E02B3/12
主分类号
E02B3/12
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代理人
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