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发明名称
Una junta hermética de aros
摘要
申请公布号
ES86757(U)
申请公布日期
1961.06.01
申请号
ES19570000867U
申请日期
1960.10.31
申请人
CANALS FERRER, ALBERTO
发明人
分类号
主分类号
代理机构
代理人
主权项
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