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经营范围
发明名称
Improvements in and relating to swimming float devices
摘要
申请公布号
GB624962(A)
申请公布日期
1949.06.20
申请号
GB19470019229
申请日期
1947.07.18
申请人
ROBERT FYFE
发明人
分类号
B63C9/125
主分类号
B63C9/125
代理机构
代理人
主权项
地址
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