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经营范围
发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCIoN DE ESCALAS METáLICAS
摘要
申请公布号
ES220648(A3)
申请公布日期
1956.01.01
申请号
ES19480002206
申请日期
1955.03.08
申请人
FOURGEROLLES, ANDRE MARIE RENE EMILE RIGOINE DE
发明人
分类号
(IPC1-7):E06
主分类号
(IPC1-7):E06
代理机构
代理人
主权项
地址
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