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发明名称
摘要
申请公布号
JPS63161913(U)
申请公布日期
1988.10.21
申请号
JP19870051889U
申请日期
1987.04.06
申请人
发明人
分类号
E01H5/02;B62B15/00;(IPC1-7):E01H5/02
主分类号
E01H5/02
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代理人
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