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发明名称
Drag hook
摘要
申请公布号
US2579864(A)
申请公布日期
1951.12.25
申请号
US19490096281
申请日期
1949.05.31
申请人
ROOKER KENNETH M
发明人
ROOKER KENNETH M.
分类号
B63C11/50
主分类号
B63C11/50
代理机构
代理人
主权项
地址
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