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发明名称
Procédé d'amélioration de fibres artificielles, pellicules, films et produits analogues
摘要
申请公布号
FR870723(A)
申请公布日期
1942.03.23
申请号
FRD870723
申请日期
1941.03.10
申请人
发明人
UBBELOHDE LEO
分类号
D01F1/10
主分类号
D01F1/10
代理机构
代理人
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