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发明名称
Water aerator having improved pre-aerating disc
摘要
申请公布号
US3130917(A)
申请公布日期
1964.04.28
申请号
US19610131413
申请日期
1961.08.14
申请人
AGHNIDES ELIE P
发明人
AGHNIDES ELIE P.
分类号
E03C1/084
主分类号
E03C1/084
代理机构
代理人
主权项
地址
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