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发明名称
MEJORAS EN EL OBJETO DE LA PATENTE PRINCIPAL NuMERO 169683
摘要
申请公布号
ES169806(A2)
申请公布日期
1945.06.01
申请号
ES19060001698
申请日期
1945.05.07
申请人
PINNOW, GERHARD
发明人
分类号
(IPC1-7):B60
主分类号
(IPC1-7):B60
代理机构
代理人
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地址
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