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发明名称
Aparato que evita el retorno de la llama en la soldadura oxiacetilénica.
摘要
申请公布号
ES20175(U)
申请公布日期
1949.07.01
申请号
ES19750000201U
申请日期
1949.06.04
申请人
JIMÉNEZ FERNÁNDEZ, GONZALO
发明人
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主分类号
代理机构
代理人
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