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发明名称
Dispositivo para evitar la obstrucción de cañerías o conducciones de agua y otros fluídos
摘要
申请公布号
ES10217(U)
申请公布日期
1944.07.16
申请号
ES19170000102U
申请日期
1944.06.28
申请人
DEL RIO MESA, SALVADOR
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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