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发明名称
Improvements in roof coverings for buildings, wagons and the like
摘要
申请公布号
GB497899(A)
申请公布日期
1938.12.30
申请号
GB19380006151
申请日期
1938.02.26
申请人
ALBERT CHARLES ANTOINE BARRAT
发明人
分类号
E04D5/14
主分类号
E04D5/14
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代理人
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