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发明名称
A safety aid for teaching swimming
摘要
申请公布号
GB2474829(B)
申请公布日期
2012.12.05
申请号
GB20090014138
申请日期
2009.08.13
申请人
CAROL SCOTT
发明人
CAROL SCOTT
分类号
A63B31/00;B63C9/08
主分类号
A63B31/00
代理机构
代理人
主权项
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