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发明名称
Dynamic lowering crane controller
摘要
申请公布号
US2288133(A)
申请公布日期
1942.06.30
申请号
US19410390770
申请日期
1941.04.28
申请人
CUTLER-HAMMER, INC.
发明人
HARWOOD ?AISLEY B.;NEWMAN JOHN M.
分类号
B66C13/24
主分类号
B66C13/24
代理机构
代理人
主权项
地址
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