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发明名称
Fabrication de fontes décarburées
摘要
申请公布号
FR769556(A)
申请公布日期
1934.08.28
申请号
FRD769556
申请日期
1934.03.02
申请人
SOCIETE DES ACIERIES DE LONGWY
发明人
分类号
C21C5/52
主分类号
C21C5/52
代理机构
代理人
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