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发明名称
Improvements in or relating to the manufacture of artificial textile fibres
摘要
申请公布号
GB510131(A)
申请公布日期
1939.07.27
申请号
GB19380034650
申请日期
1938.02.07
申请人
ANTONIO FERRETTI
发明人
分类号
D01F4/00;D01F4/04
主分类号
D01F4/00
代理机构
代理人
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