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经营范围
发明名称
Improvements in or relating to building elements
摘要
申请公布号
GB709761(A)
申请公布日期
1954.06.02
申请号
GB19510029525
申请日期
1951.12.17
申请人
NILS ADOLF BOERJE MAGNUSSON
发明人
分类号
E04C2/18
主分类号
E04C2/18
代理机构
代理人
主权项
地址
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