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发明名称
摘要
申请公布号
JPH0532427(U)
申请公布日期
1993.04.27
申请号
JP19910088877U
申请日期
1991.10.02
申请人
发明人
分类号
E01C23/085;E01C23/08;E01H1/10;E02B7/00;E04G21/02;(IPC1-7):E02B7/00
主分类号
E01C23/085
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