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发明名称
Swimming pool corner sun shading device
摘要
A swimming pool corner sun shade device for use on in-ground, vinyl-lined rectangular swimming pools in the shape of a flat generally keyhole-like shaped mat.
申请公布号
US5092090(A)
申请公布日期
1992.03.03
申请号
US19900633398
申请日期
1990.12.21
申请人
STUMP, DAVID H.
发明人
STUMP, DAVID H.
分类号
E04H4/14
主分类号
E04H4/14
代理机构
代理人
主权项
地址
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