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发明名称
IMPROVED DEVICE FOR FACILITATING ACCESS TO ELEVATED SURFACES
摘要
申请公布号
GB9316696(D0)
申请公布日期
1993.09.29
申请号
GB19930016696
申请日期
1993.08.11
申请人
GRAVER STEPHEN
发明人
分类号
A43B3/00;A43B3/12;A63C1/18
主分类号
A43B3/00
代理机构
代理人
主权项
地址
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