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经营范围
发明名称
DISPOSITIVO PARA LA OBTENCION DE VACIO
摘要
申请公布号
ES246790(Y)
申请公布日期
1980.09.16
申请号
ES19900002467U
申请日期
1979.10.30
申请人
发明人
分类号
B25B27/02;(IPC1-7):25B27/02
主分类号
B25B27/02
代理机构
代理人
主权项
地址
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