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发明名称
Perfectionnements aux alliages légers d'aluminium
摘要
申请公布号
FR867770(A)
申请公布日期
1941.11.27
申请号
FRD867770
申请日期
1940.11.22
申请人
BIDAULT, ELION & COMPAGNIE SOCIETE
发明人
VANGREVENYNGE CHARLES
分类号
C22C21/10
主分类号
C22C21/10
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代理人
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