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发明名称
INVERT JOINT FOR MANHOLE
摘要
申请公布号
JPH11241355(A)
申请公布日期
1999.09.07
申请号
JP19980039967
申请日期
1998.02.23
申请人
OTSUGA NORIO
发明人
OTSUGA NORIO
分类号
E02D29/12;(IPC1-7):E02D29/12
主分类号
E02D29/12
代理机构
代理人
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