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发明名称
Improvements in or relating to the construction of concrete roofs
摘要
申请公布号
GB547423(A)
申请公布日期
1942.08.26
申请号
GB19410006147
申请日期
1941.05.12
申请人
THE SUSSEX & DORKING UNITED BRICK COMPANLES LIMITED;EDWARD FFINCH MITCHELL
发明人
分类号
E04D13/15
主分类号
E04D13/15
代理机构
代理人
主权项
地址
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