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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN EL OBJETO DE LA PATENTE NuMERO 116174
摘要
申请公布号
ES118889(A2)
申请公布日期
1930.09.01
申请号
ES19890001188
申请日期
1930.07.08
申请人
CALVO SASTRE, RAMON
发明人
分类号
(IPC1-7):A62
主分类号
(IPC1-7):A62
代理机构
代理人
主权项
地址
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