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经营范围
发明名称
Un nuevo obturador
摘要
申请公布号
ES44009(U)
申请公布日期
1954.10.16
申请号
ES19090000440U
申请日期
1954.09.17
申请人
FREXES GORDILLO, RAMÓN
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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