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发明名称
Blackwater lifesaver
摘要
A safety device to locate someone in trouble in the water. A three piece apparatus consisting of a U shaped nylon body mount and a modified rectangle polypropylene floater connected by a flexible line between the floater and body mount.
申请公布号
US4664638(A)
申请公布日期
1987.05.12
申请号
US19850806685
申请日期
1985.12.09
申请人
GOODING, RONALD D.
发明人
GOODING, RONALD D.
分类号
B63C7/26;B63C9/135;(IPC1-7):B63B22/18
主分类号
B63C7/26
代理机构
代理人
主权项
地址
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