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发明名称
Portafiltros protector contra emanaciones nocivas
摘要
申请公布号
ES45215(Y)
申请公布日期
1955.06.16
申请号
ES19150000452U
申请日期
1954.12.03
申请人
SAMPEDRO PÉREZ DE AVALOS, CONSTANTINO
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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