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发明名称
Hand swimming paddle
摘要
申请公布号
US2745119(A)
申请公布日期
1956.05.15
申请号
US19540434876
申请日期
1954.06.07
申请人
WHIPPLE RICHARD R
发明人
WHIPPLE RICHARD R.
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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