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发明名称
PERFECCIONAMIENTOS EN ESTACION DEPURADORA DE AGUAS RESIDUA- LES
摘要
申请公布号
ES493983(D0)
申请公布日期
1981.10.16
申请号
ES19830004939
申请日期
1980.08.04
申请人
CAILLOT BERNARD;LEFEBVRE MARC
发明人
分类号
C02F1/74;(IPC1-7):02F1/74
主分类号
C02F1/74
代理机构
代理人
主权项
地址
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