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发明名称
Improvements in and relating to swimming paddles
摘要
申请公布号
GB323421(A)
申请公布日期
1930.01.02
申请号
GB19290007026
申请日期
1929.03.04
申请人
HENRY HAMMETT
发明人
分类号
A63B31/08
主分类号
A63B31/08
代理机构
代理人
主权项
地址
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