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发明名称
Improvements in or relating to roofs for buildings
摘要
申请公布号
GB694259(A)
申请公布日期
1953.07.15
申请号
GB19510009726
申请日期
1951.04.26
申请人
HILLS (WEST BROMWICH) LIMITED
发明人
HINCHCLIFFE ERNEST DARBY
分类号
E04D13/16
主分类号
E04D13/16
代理机构
代理人
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