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经营范围
发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCIoN DE EXTRACTORES DE AIRE
摘要
申请公布号
ES209076(A3)
申请公布日期
1953.06.16
申请号
ES19760002090
申请日期
1953.04.29
申请人
CROLLS, S.A.
发明人
分类号
(IPC1-7):F24
主分类号
(IPC1-7):F24
代理机构
代理人
主权项
地址
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