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发明名称
UN DISPOSITIVO DESTINADO A PROTEGER LOS TIRAFONDOS DE LAS VIAS FERREAS
摘要
申请公布号
ES273088(A1)
申请公布日期
1962.03.01
申请号
ES19880002730
申请日期
1961.12.20
申请人
VANOTTI, GUY
发明人
分类号
E01B;(IPC1-7):E01B
主分类号
E01B
代理机构
代理人
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地址
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