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发明名称
A safety cover for a service pit
摘要
申请公布号
GB0904797(D0)
申请公布日期
2009.05.06
申请号
GB20090004797
申请日期
2009.03.20
申请人
BURRELL, MELVYN
发明人
分类号
主分类号
代理机构
代理人
主权项
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