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发明名称
Boat with retractable wheels
摘要
申请公布号
US2851705(A)
申请公布日期
1958.09.16
申请号
US19550525905
申请日期
1955.08.02
申请人
SMITH HYRUM P;BARTMESS ULYSSES S
发明人
SMITH HYRUM P.;BARTMESS ULYSSES S.
分类号
B63C13/00
主分类号
B63C13/00
代理机构
代理人
主权项
地址
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