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发明名称
Procédé pour la fabrication de la poudre de fer
摘要
申请公布号
FR686689(A)
申请公布日期
1930.07.29
申请号
FRD686689
申请日期
1929.12.16
申请人
HARTSTOFF-METALL-A. G.
发明人
分类号
B22F1/00
主分类号
B22F1/00
代理机构
代理人
主权项
地址
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