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发明名称
Tuerca perfeccionadas
摘要
申请公布号
ES76979(Y)
申请公布日期
1961.05.01
申请号
ES19790000769U
申请日期
1959.11.11
申请人
ASTIGARRA SERRA, PEDRO
发明人
分类号
主分类号
代理机构
代理人
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