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发明名称
PERFECCIONAMIENTOS EN EL PROCEDIMIENTO PARA LA CONSTRUCCION DE ESTRUCTURAS DE ACERO, ESPECIALMENTE PARA AEROPLANOS OBJETO DE LA PATENTE PRINCIAL
摘要
申请公布号
ES124461(A2)
申请公布日期
1931.11.16
申请号
ES19610001244
申请日期
1931.10.14
申请人
EDWARD G. BUDD MANUFACTURING COMPANY
发明人
分类号
(IPC1-7):B21
主分类号
(IPC1-7):B21
代理机构
代理人
主权项
地址
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