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发明名称
Boom hoist
摘要
申请公布号
US2344796(A)
申请公布日期
1944.03.21
申请号
US19430471896
申请日期
1943.01.09
申请人
THE OSGOOD COMPANY
发明人
WHITE FRED L.
分类号
B66D1/26
主分类号
B66D1/26
代理机构
代理人
主权项
地址
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