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发明名称
ROOF CONSTRUCTION
摘要
申请公布号
GB8828965(D0)
申请公布日期
1989.01.25
申请号
GB19880028965
申请日期
1988.12.12
申请人
REARDON, MARTIN
发明人
分类号
E04B7/20;E04D12/00
主分类号
E04B7/20
代理机构
代理人
主权项
地址
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