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发明名称
Surface and sub-surface human being propulsion device
摘要
申请公布号
US2722021(A)
申请公布日期
1955.11.01
申请号
US19510250984
申请日期
1951.10.12
申请人
KEOGH-DWYER WALTER C
发明人
KEOGH-DWYER WALTER C.
分类号
A63B35/12
主分类号
A63B35/12
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