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发明名称
MEJORAS INTRODUCIDAS CON EL OBJETO DE LA PATENTE
摘要
申请公布号
ES155857(A2)
申请公布日期
1943.04.01
申请号
ES19570001558
申请日期
1942.01.30
申请人
VINCENT VIANA, RICARDO
发明人
分类号
(IPC1-7):G09
主分类号
(IPC1-7):G09
代理机构
代理人
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