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发明名称
Fremgangsmaade til Fremstilling af skruelinieformede, krusede Kunstspind.
摘要
申请公布号
DK66683(C)
申请公布日期
1948.04.26
申请号
DK19420000556
申请日期
1942.03.12
申请人
DR. LEO UBBELOHDE
发明人
DR. LEO UBBELOHDE
分类号
主分类号
代理机构
代理人
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