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发明名称
摘要
申请公布号
JPH0128085(Y2)
申请公布日期
1989.08.28
申请号
JP19840024493U
申请日期
1984.02.24
申请人
发明人
分类号
E01C11/26;E01H5/10;(IPC1-7):E01C11/26
主分类号
E01C11/26
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代理人
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