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发明名称
Perfectionnements aux alliages à base d'aluminium
摘要
申请公布号
FR812438(A)
申请公布日期
1937.05.10
申请号
FRD812438
申请日期
1936.09.24
申请人
THE NATIONAL SMELTING COMPANY
发明人
分类号
C22C21/02
主分类号
C22C21/02
代理机构
代理人
主权项
地址
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