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发明名称
UN PROCEDIMIENTO PARA OBTENCIËN DE HIERRO FUNDIDO DE GRAFITO NODULAR
摘要
申请公布号
ES234430(A1)
申请公布日期
1957.09.16
申请号
ES19300002344
申请日期
1957.03.25
申请人
METALES AMPE, S.A.
发明人
分类号
C21D;(IPC1-7):C21D
主分类号
C21D
代理机构
代理人
主权项
地址
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