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发明名称
Swimming pool cleaner and filter
摘要
申请公布号
US3078998(A)
申请公布日期
1963.02.26
申请号
US19590851427
申请日期
1959.11.06
申请人
BLUMENFELD CHARLES M
发明人
BLUMENFELD CHARLES M.
分类号
E04H4/16
主分类号
E04H4/16
代理机构
代理人
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地址
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