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经营范围
发明名称
Automatically lighted lifesaving ring buoy
摘要
申请公布号
US2109813(A)
申请公布日期
1938.03.01
申请号
US19340750524
申请日期
1934.10.29
申请人
WINCKLER ENGINEERING LABORATORIES INCORPORATED
发明人
WINCKLER GUNNAR A. F.
分类号
B63C9/20
主分类号
B63C9/20
代理机构
代理人
主权项
地址
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