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发明名称
Alliages durs frittés
摘要
申请公布号
FR866892(A)
申请公布日期
1941.09.15
申请号
FRD866892
申请日期
1940.05.16
申请人
发明人
RENAULT LOUIS
分类号
C22C29/06
主分类号
C22C29/06
代理机构
代理人
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