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发明名称
PROCEDIMIENTO Y DISPOSITIVO PARA EL AISLAMIENTO DE TUBOS Y SIMILARES DE LOS EFECTOS DEL FRIO Y CALOR
摘要
申请公布号
ES142873(A1)
申请公布日期
1941.03.01
申请号
ES19410142873
申请日期
申请人
LENOIR, JEAN
发明人
分类号
(IPC1-7):F16
主分类号
(IPC1-7):F16
代理机构
代理人
主权项
地址
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