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发明名称
Self-adjusting recirculating overflow
摘要
申请公布号
US2579304(A)
申请公布日期
1951.12.18
申请号
US19500151777
申请日期
1950.03.24
申请人
PADDOCK POOL MAINTENANCE CO.
发明人
CRAWFORD JAMES B.
分类号
E04H4/12
主分类号
E04H4/12
代理机构
代理人
主权项
地址
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