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经营范围
发明名称
Improvements in concrete floors, ceilings and the like
摘要
申请公布号
GB510749(A)
申请公布日期
1939.08.08
申请号
GB19380013703
申请日期
1938.05.07
申请人
FORMETA-BETON A/S;JORGEN BRANDT
发明人
分类号
E04B5/36
主分类号
E04B5/36
代理机构
代理人
主权项
地址
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