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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN LA FABRICACIoN DE RESISTENCIAS DE CARBoN MOLDEADO
摘要
申请公布号
ES190387(A3)
申请公布日期
1950.02.01
申请号
ES19870001903
申请日期
1949.11.12
申请人
PRODELIN, S.A.
发明人
分类号
(IPC1-7):H01
主分类号
(IPC1-7):H01
代理机构
代理人
主权项
地址
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