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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN DICHA PATENTE
摘要
申请公布号
ES117508(A2)
申请公布日期
1930.06.16
申请号
ES19080001175
申请日期
1930.04.01
申请人
MANUFACTURE METALLURGIQUE DE TOURNUS
发明人
分类号
(IPC1-7):B25
主分类号
(IPC1-7):B25
代理机构
代理人
主权项
地址
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