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发明名称
IMPROVED ROOF ANCHOR
摘要
申请公布号
GB9301504(D0)
申请公布日期
1993.03.17
申请号
GB19930001504
申请日期
1993.01.26
申请人
CRAWFORD HENRY;PATERSON & SON
发明人
分类号
E04D13/12;E04G21/32
主分类号
E04D13/12
代理机构
代理人
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地址
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