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经营范围
发明名称
Procédé de fabrication de fer, d'acier et d'alliages ferreux à partir de fonte
摘要
申请公布号
FR827820(A)
申请公布日期
1938.05.04
申请号
FRD827820
申请日期
1937.10.13
申请人
发明人
WILLIS GEORGE WILLIAM
分类号
C21C7/00;C21C7/04
主分类号
C21C7/00
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代理人
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