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发明名称
Pool cleaning device
摘要
申请公布号
US3258801(A)
申请公布日期
1966.07.05
申请号
US19650487287
申请日期
1965.09.14
申请人
CAMPBELL GEORGE L
发明人
CAMPBELL GEORGE L.
分类号
E04H4/16
主分类号
E04H4/16
代理机构
代理人
主权项
地址
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