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发明名称
Device for cleaning the grille of hydraulic installations
摘要
申请公布号
US2784845(A)
申请公布日期
1957.03.12
申请号
US19530390144
申请日期
1953.11.04
申请人
ATELIER DE CONSTRUCTION JONNERET S. A.
发明人
STURZENEGGER JEAN
分类号
E02B8/02
主分类号
E02B8/02
代理机构
代理人
主权项
地址
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