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发明名称
Fremgangsmåde ved fremstilling af forspændte betondele, især til fremstilling af stålstrengbetondele.
摘要
申请公布号
DK69458(C)
申请公布日期
1949.06.27
申请号
DK19440001486
申请日期
1944.05.23
申请人
WIKING-SCHIFFBAUGESELLSCHAFT M. B. H.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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