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发明名称
REFROMING METHOD FOR MANHOLE
摘要
申请公布号
JPH10147949(A)
申请公布日期
1998.06.02
申请号
JP19960322337
申请日期
1996.11.18
申请人
SEKISHIN SANGYO KK
发明人
ABE KAORU
分类号
E02D29/12;E03F3/04;F16L58/06;(IPC1-7):E02D29/12
主分类号
E02D29/12
代理机构
代理人
主权项
地址
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