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发明名称
PERFECCIONAMIENTOS EN LAS GRuAS GIRATORIAS DE TORRE
摘要
申请公布号
ES225145(A1)
申请公布日期
1956.01.16
申请号
ES19450002251
申请日期
1955.11.22
申请人
LIEBHERR, HANS
发明人
分类号
(IPC1-7):B66
主分类号
(IPC1-7):B66
代理机构
代理人
主权项
地址
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