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发明名称
Filière
摘要
申请公布号
FR881220(A)
申请公布日期
1943.04.19
申请号
FRD881220
申请日期
1942.04.15
申请人
W. C. HERAEUS GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
分类号
B21C3/02
主分类号
B21C3/02
代理机构
代理人
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地址
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