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发明名称
MANHOLE SKELETON BLOCK, MANHOLE CONSTRUCTION METHOD AND UNDERGROUND STRUCTURE
摘要
申请公布号
JPH10140590(A)
申请公布日期
1998.05.26
申请号
JP19960312928
申请日期
1996.11.08
申请人
CHIKEN KOGYO KK
发明人
MIYAJI TOSHIO
分类号
E21B7/20;E02D29/12;(IPC1-7):E02D29/12
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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