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发明名称
Temporary cover assembly for a void
摘要
A temporary cover assembly for a void comprising a cover plate 209 configured to close an opening in the void and means 201, 202, 207 to releasably attach the cover plate 209 to a cover slab 105 of the void.
申请公布号
US2014041311(A1)
申请公布日期
2014.02.13
申请号
US201113200879
申请日期
2011.10.03
申请人
AUCKLAND PAUL RICHARD
发明人
AUCKLAND PAUL RICHARD
分类号
E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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