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发明名称
Filière de filature
摘要
申请公布号
FR53981(E)
申请公布日期
1947.01.14
申请号
FRD53981
申请日期
1944.06.27
申请人
W. C. HERAEUS GESELLSCHAFT MIT BESCHRANKTEN HAFTUNG
发明人
分类号
C22C5/02
主分类号
C22C5/02
代理机构
代理人
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地址
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