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发明名称
CONDUIT ACCESS COVERS
摘要
申请公布号
GB9114959(D0)
申请公布日期
1991.08.28
申请号
GB19910014959
申请日期
1991.07.11
申请人
MCGREGOR, ROBERT P;MCGREGOR, ROSEMARY
发明人
分类号
E02D29/12;E02D29/14
主分类号
E02D29/12
代理机构
代理人
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地址
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