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发明名称
Fremgangsmaade til Fremstilling af rørformede Legemer af forspændt Beton.
摘要
申请公布号
DK67216(C)
申请公布日期
1948.07.12
申请号
DK19440003420
申请日期
1944.12.15
申请人
DR. EMIL EDWIN;NILS DARRE NILSEN
发明人
DR. EMIL EDWIN;NILS DARRE NILSEN
分类号
主分类号
代理机构
代理人
主权项
地址
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