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发明名称
DISPOSITIVO PARA LA FABRICACION DE VIGAS HUECAS
摘要
申请公布号
ES313612(A1)
申请公布日期
1966.02.16
申请号
ES19120003136
申请日期
1965.05.31
申请人
EMCH & BERGER, INGENIEURBUERE G. M. B. H.
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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