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发明名称
COVER FOR UNDERGROUND INSTALLATION
摘要
申请公布号
JPH07158100(A)
申请公布日期
1995.06.20
申请号
JP19930341688
申请日期
1993.12.09
申请人
ASAHI TEC CORP
发明人
KOJIMA MASA
分类号
E02D29/14;(IPC1-7):E02D29/14
主分类号
E02D29/14
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代理人
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