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发明名称
MEJORAS EN EL OBJETO DE LA PATENTE PRINCIPAL NuMERO 167.883
摘要
申请公布号
ES168111(A2)
申请公布日期
1944.12.16
申请号
ES19110001681
申请日期
1944.11.21
申请人
VILA FERRAN, JUAN
发明人
分类号
(IPC1-7):D03
主分类号
(IPC1-7):D03
代理机构
代理人
主权项
地址
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