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发明名称
ROOFING PANEL
摘要
申请公布号
GB9208702(D0)
申请公布日期
1992.06.10
申请号
GB19920008702
申请日期
1992.04.22
申请人
WATSON WILLIAM B.
发明人
分类号
主分类号
代理机构
代理人
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地址
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