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发明名称
(A) ;Pool vacuum
摘要
申请公布号
US4240173(B1)
申请公布日期
1990.01.16
申请号
US19790057211
申请日期
1979.07.13
申请人
INNOVATIVE PRODUCTS CORP
发明人
JOHN C SHERRILL
分类号
E04H4/16;(IPC1-7):E04H3/20
主分类号
E04H4/16
代理机构
代理人
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地址
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