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发明名称
UN PROCEDIMIENTO PARA LA OBTENCIoN DE UNA ALEACIoN CONCRECIONADA DE METAL DURO DESTINADA PARA uTILES DE TRABAJO Y HERRAMIENTAS
摘要
申请公布号
ES147866(A1)
申请公布日期
1941.10.01
申请号
ES19660001478
申请日期
1940.01.24
申请人
FRIEDR KRUPP A.G.
发明人
分类号
(IPC1-7):C22
主分类号
(IPC1-7):C22
代理机构
代理人
主权项
地址
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