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经营范围
发明名称
PERFECCIONAMIENTOS EN VIGAS BITENSADAS DESPLEGABLES.
摘要
申请公布号
ES434120(A1)
申请公布日期
1977.02.16
申请号
ES19200004341
申请日期
1975.01.24
申请人
JEAN VELUT
发明人
分类号
E04C;(IPC1-7):04C/
主分类号
E04C
代理机构
代理人
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地址
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