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发明名称
Foot flipper device
摘要
A foot flipper device for use on the leg of a swimmer. The foot flipper device comprises a shoe having front, heel and median portions; and a fin of variable inclination. The fin has a longitudinal cross-section of generally double curvature.
申请公布号
US4300255(A)
申请公布日期
1981.11.17
申请号
US19790017102
申请日期
1979.03.05
申请人
BEUCHAT, GEORGES
发明人
BEUCHAT, GEORGES
分类号
A63B31/11;(IPC1-7):A63B31/10;A63B31/12
主分类号
A63B31/11
代理机构
代理人
主权项
地址
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