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发明名称
Improvements in or relating to swimming fins
摘要
申请公布号
GB731198(A)
申请公布日期
1955.06.01
申请号
GB19530005725
申请日期
1953.03.02
申请人
WALTER SCHMITZ
发明人
分类号
A63B31/11
主分类号
A63B31/11
代理机构
代理人
主权项
地址
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