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发明名称
Improvements in or relating to sheet metal roofing
摘要
申请公布号
GB600478(A)
申请公布日期
1948.04.09
申请号
GB19450010379
申请日期
1945.04.25
申请人
ALBERT HENRY THOMAS BRODERICK
发明人
分类号
E04D3/366;E04D3/40
主分类号
E04D3/366
代理机构
代理人
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