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经营范围
发明名称
POOL SKIMMER
摘要
申请公布号
US4105557(A)
申请公布日期
1978.08.08
申请号
US19770775973
申请日期
1977.03.09
申请人
WEATHERHOLT, BRIAN R.
发明人
WEATHERHOLT, BRIAN R.
分类号
E04H4/12;(IPC1-7):E04H3/20
主分类号
E04H4/12
代理机构
代理人
主权项
地址
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