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发明名称
Surface access cover
摘要
申请公布号
GB2399585(A)
申请公布日期
2004.09.22
申请号
GB20030006406
申请日期
2003.03.20
申请人
* SAINT-GOBAIN PIPELINES PLC;* SAINT-GOBAIN PAM
发明人
MARTIN * COX
分类号
E02D29/14;(IPC1-7):E02D29/14
主分类号
E02D29/14
代理机构
代理人
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地址
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