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发明名称
Floatation toy device
摘要
A floatation toy device includes a cylindrical elongated member, a variable buoyancy collar and an attachment collar. The floatation toy device provides for an improved and variable buoyancy of the floatation toy device by the user.
申请公布号
US5772484(A)
申请公布日期
1998.06.30
申请号
US19970785156
申请日期
1997.01.13
申请人
SIKORSKI, MAREK
发明人
SIKORSKI, MAREK
分类号
B63B7/04;B63B35/73;(IPC1-7):B63C9/08
主分类号
B63B7/04
代理机构
代理人
主权项
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