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发明名称
UN DISPOSITIVO DE CONTROL DE FLUJO DE LIQUIDO.
摘要
申请公布号
ES369203(A1)
申请公布日期
1971.05.16
申请号
ES19030003692
申请日期
1969.07.05
申请人
HANSON-GRAVILLE
发明人
分类号
E03D;G01F;(IPC1-7):01F/;03D/
主分类号
E03D
代理机构
代理人
主权项
地址
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