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发明名称
INSTALLATION RING FOR PIPE JOINT FOR MANHOLE
摘要
申请公布号
JPH1113078(A)
申请公布日期
1999.01.19
申请号
JP19970164411
申请日期
1997.06.20
申请人
TAISEI KOGYOSHO:KK;NISHIKAWA RUBBER CO LTD
发明人
YUHARA TOSHIO;TOYODA TATSURO;HISANAGA KAZUNORI
分类号
E02D29/12;(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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