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发明名称
Improvements in roofing
摘要
申请公布号
GB9802808(D0)
申请公布日期
1998.04.08
申请号
GB19980002808
申请日期
1998.02.10
申请人
HILL, GEORGE E
发明人
分类号
E04B7/02;E04D1/26;E04D3/30;E04D3/32;E04D3/365;E04D3/40
主分类号
E04B7/02
代理机构
代理人
主权项
地址
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