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发明名称
UN APARATO PORTáTIL PROTECTOR DE LA RESPIRACIoN
摘要
申请公布号
ES203167(A1)
申请公布日期
1952.06.01
申请号
ES19670002031
申请日期
1952.04.25
申请人
SOCIETE FINANCICRE D'EXPANSION COMMERCIALE ET INDUSTRIELLE, S. A. (SFINDEX)
发明人
分类号
(IPC1-7):A62
主分类号
(IPC1-7):A62
代理机构
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