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发明名称
Procédé pour la fabrication de pièces métalliques creuses à l'aide de poudres métallurgiques
摘要
申请公布号
FR974890(A)
申请公布日期
1951.02.27
申请号
FRD974890
申请日期
1948.11.15
申请人
METALLWERK PLANSEE GESELLSCHAFT M. B. H.
发明人
分类号
B22F5/10
主分类号
B22F5/10
代理机构
代理人
主权项
地址
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