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发明名称
MEJORAS INTRODUCIDAS EN LOS PARES DE PERFILES PARA EL ENTIBADO DE MINAS
摘要
申请公布号
ES205472(A1)
申请公布日期
1953.04.01
申请号
ES19720002054
申请日期
1952.09.20
申请人
OESTERREICHISCH ALPINE MONTANGESELLSCHAFT
发明人
分类号
(IPC1-7):E21
主分类号
(IPC1-7):E21
代理机构
代理人
主权项
地址
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