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发明名称
Perfectionnements aux procédés et aux appareils pour la coulée sous pression d'objets divers
摘要
申请公布号
FR769024(A)
申请公布日期
1934.08.17
申请号
FRD769024
申请日期
1933.05.09
申请人
发明人
DERUELLE EMILE
分类号
B22C9/06;B22C9/08
主分类号
B22C9/06
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代理人
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